-- 中国首家承诺学习效果的在线教育公司
尽管有雾，飞机仍照常起飞。 He came in and took off his coat. 他走了进来，脱掉大衣。 3. take over 接管。如：
The military took over the government. 军方接管了政府。 4. take on 呈现。如：
Then your company must take on a new look now. 那你们公司现在肯定呈现出一番新的面貌了。 5. take place 发生。如：
An fatal accident took place at this cross three years ago. 这个十字路口三年前发生了一起死亡事故。
tool
· 原文再现
He invented special medical tools to use outside hospitals and close to the fighting areas so that doctors could treat the wounded more quickly.
他发明了特殊的医疗工具用于户外医院，并靠近阵地以便医生们能够更快地给伤员治疗。 · 基本用法
tool n. 工具；器械。如： Don't injure yourself with that tool. 不要让那工具伤害到你。
A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
invention
· 原文再现
His inventions saved many lives. 他的发明拯救了很多人的生命。 · 基本用法
invention n. 发明；发明物；虚构。如： Necessity is the mother of invention. 需要是发明之母。
-- 中国首家承诺学习效果的在线教育公司
This story is apparently a complete invention. 这个故事显然完全是虚构的。 · 知识拓展--相关单词
invent v. 发明（过去式：invented 过去分词：invented 现在分词：inventing 第三人称单数：invents） Can you tell me who invented the telephone? 你能告诉我是谁发明了电话吗？ He always tries to invent something new. 他一直努力要发明新东西。
at that time
· 原文再现
At that time, there were few doctors, so he had to work very hard on his own. 当时，医生很少，所以他不得不很辛苦地独自工作。 · 基本用法
at that time 意为“那时候”，at the time也可以表示相同的意思；at a time 意为“一次；每次；一度”。如： At the time, he had a hard life. 那时他过着艰苦的生活。
You can just buy one ticket at a time. 你一次仅仅能买一张票。
on one’s own
· 原文再现
At the time, there were few doctors, so he had to work very hard on his own. 当时医生很少，所以他不得不很辛苦地独自工作。 · 基本用法
on one’s own 意为“独立地；独自地”，相当于all by oneself。如： He started a company on his own. 他独自创办了一个公司。
useful
· 原文再现
His experience of treating people in Spain was useful in China. 他在西班牙的治疗经验在中国起到了作用。 · 基本用法
-- 中国首家承诺学习效果的在线教育公司
useful adj. 有用的；有益的。如：
It is a useful book and, what is more, not an expensive one. 这是有用的书，更难得的是不贵。
The book contains much useful information. 这本书包含了许多有用的资料。 · 知识拓展
跟useful 变化相同的单词还有： 1. hopeful adj. 有希望的。如：
I'm hopeful that they'll fulfill the task on time. 他们会按时完成任务，对这一点，我是抱有希望的。 2. helpful adj. 有帮助的。如： You are very helpful. 您真帮了我的大忙。
These things are helpful for my life. 而且对我的生活是有帮助的。 相关单词
use v. 利用；对待；使用。如：
They use a computer system to organize their data. 他们利用一个电脑系统整理数据。
rest
· 原文再现
Dr Bethune often worked very hard without resting or taking care of himself. 白求恩医生经常不休息或不照顾自己辛苦地工作。 · 基本用法
1. rest v. 休息；睡眠（过去式：rested 过去分词：rested 现在分词：resting 第三人称单数：rests） It would be nice to sit down and rest for a while. 坐下来休息一会儿是很好的。 2. rest n. 休息，修养 have a rest 意为：休息一下
3. rest v. 依靠；使（视线）停留在；搁在；依赖；基于。如：
-- 中国首家承诺学习效果的在线教育公司
Rest the ladder against the wall. 把梯子靠在墙上吧。
His brown eyes rested on her for a moment. 他的棕色眼睛盯着她看了一会儿。
The original manuscript rests in the museum. 原始手稿在博物馆里。
How could a country rest its security on such promises? 一个国家怎么能让自己的安全依赖这类诺言呢? The whole point rests on a false assumption. 整个观点都是基于一个错误的假设。
manage
· 原文再现
Once, he even worked for sixty-nine hours without stopping and managed to save over a hundred lives. 有一次，他甚至没有间断地连续工作了69个小时，设法拯救了115条生命。 · 基本用法
1. manage v. 做成；（尤指）设法完成
（过去式：managed 过去分词：managed 现在分词：managing 第三人称单数：manages） manage to do sth.意为“设法做某事”。如： How do you manage to do such a thing? 你是怎么设法做这样的事? 2. manage v. 管理。如：
He managed the company when his father was away. 他父亲离开的时候，由他管理公司。 · 知识拓展--相关单词 manager n. 经理。如：
I want to speak to the sales manager. 我想找营业部经理。
He is the manager of the warehouse. 他是这个仓库的管理者。
operation
· 原文再现
-- 中国首家承诺学习效果的在线教育公司
One day in 1939, he cut his finger during an operation, but he continued his work without treating it. 有一天，他在手术过程中割伤了手指，但仍然继续工作。 · 基本用法
1. operation n. 手术，have an operation意为“做手术”。如： This operation is dangerous for the old man. 对这位老人来说这台手术很危险。 2. operation n. 操作。如：
The operation of this machine is simple. 这个机器的操作很简单。
· 知识拓展 相关句型/结构
sb. have an operation on sb’s+身体的某部位。如： She has an operation on her left eye. 她的左眼做了手术。
“sb. have an operation for + 疾病名称”意为“某人为了某种病动手术”。如： The boy has an operation for rhinitis. 这个男孩因鼻炎做了手术。
相关单词
operate v. “操作；运转；经营；动手术”。如： It’s too difficult for him to operate this new machine. 对他来说操作这台机器太难了。
continue
· 原文再现
One day in 1939, he cut his finger during an operation, but he continued his work without treating it. 有一天，他在手术过程中割伤了手指，但仍然继续工作。 · 基本用法
continue v. （使）继续
（过去式：continued 过去分词：continued 现在分词：continuing 第三人称单数：continues）