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1. He learnt his trade as a diver in the North Sea.

他在北海学会了潜水员这一行的本事。

2. We squatted beside the pool and watched the diver sink slowly down.

我们蹲在水池旁，看着潜水者慢慢沉下水。

3. The diver flipped over backwards into the water.

潜水员向后翻身入水。

4. I asked to get buddied up with an experienced diver.

我要求和有经验的潜水员搭档.

5. Two divers work together while a standby diver remains on the surface.

两名潜水员协同工作,同时有一名候补潜水员留在水面上.