swell -- enlargement --- expand
tract- area - terrain
symmetric 对称的，均衡的 --- balance
taper 逐渐变小 --- diminish --- 收缩
tenet --- principle/belief
turn = change
vast - immense - extensive
with the ordinary citizen’s pocketbook = affordable
advent = arrival
affair = matter
chronic --- constant - confirmed 慢性的;证实的
consequence = result/importance
counter = oppose
countervail 补偿，抵消; 对抗 = compensate/oppose
distinction = differentiation/excellence/honor
distribution = dispersion = dispersal
embed = implant
euphoric = extremely happy
flake = fragment
hinder 阻碍，打扰= interfere with
ladings 船货= cargos shipment
mandatory = required, obligatory
mundane 世俗的，平凡的= ordinary