两百多万年的化石fossils over two million years old这些化石可能有100万年了.The fossils may be a million years old.恐龙绝种已有几百万年了.Dinosaurs have been extinct for millions of years....
We went skipping down the street arm in arm.我们挽着胳膊，蹦蹦跳跳地走在大街上。Skipping is one of the most enjoyable aerobic activities.跳绳是最有乐趣的有氧健身运动之一。She was skipping to keep up with him.她连蹦带跳地走着，好跟上他的步伐。...
The boat was hit by a squall north of the island.船在岛的北边遇到了狂飑。The baby's squall was heard all over the house.满屋子都听到了婴孩的大哭声.The boat was blown over by a squall.船被暴风刮翻了....
在这两个之中,你有选择权.You have your choice between the two.他们可能会被认为对荒野具有 所谓 的 “ 选择权要求 ”.They may be considered as having a so - called " option demand " for wilderness.先别接受这份工作--暂时保留选择权,到离开这所大学再说.Don't take the job now keep ...
This isn't so easy, so look out for the snags.这并不那么容易, 当心碰到意想不到的困难.These instruments are vulnerable to cable faults and snags.这种仪器易于缠在岩石的断块和树枝上.The apparent simplicity of this concept conceals innumerable snags.这种表面...