Using all kinds of manners to keep a sharp lookout at all times when passing Gulf of Aden.

过亚丁弯时，在任何时侯都要用各种手段进行有效正规了望。

youdao

Using all kinds of manners to keep a sharp lookout at all times when passing Gulf of Aden.

过亚丁弯时，在任何时侯都要用各种手段进行有效正规了望。

youdao