Vocabulary
reef n.ridge of rock,near or at the surface of the sea
spontaneously adv. natural,impulsive
swarm n. mass v. move about in one large mass
trillion num.(英)10^18 (美)10^12
versatile adj. having many different kinds of skill or ability
weathering n. exposing to air
para 15-20
somehow 某种程度上
almost any how 任何意义上
the bar the law court system
disrupter terminitor
P69 II Vocabulary B
statesman 政治家
undergo 经历
undertake 着手
A survived B A比B活得长
decay 腐烂,遭受破坏
interrelate 相关
refrain 退缩
decline 谢绝
reject 退回
deny 否定
tongue twister 绕口令
sweat tooth 喜欢味甜的口味
速读34
《farm workers》
contractor 承包人
vulnerable 易受伤害的
Are you with me?你在听我说吗？
《轻松听，轻松说》
Unit Six
Introduction
ESL:English Second Language
Part One
fly first 头等仓
coach class 经济仓
round trip 往返
single one way 单程
打电话练习
北京站到中科院研究生院问路
debate 改在下周
Witch is more important, economy developing or environmental protection?
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