divers working on North Sea oil rigs are often terrified by giant fish 为什么work加ing
问题描述：
divers working on North Sea oil rigs are often terrified by giant fish 为什么work加ing
答
动词现在分词当后置定语,
divers （working on North Sea oil rigs） are often terrified by giant fish
在北海石油钻井的潜水员常受到巨大鱼的惊吓.