Thanks for the accurate instrument, which helps the sailors to avoid the submerged reef.

多亏了这个精密仪器才使得水手们避开了暗礁。

youdao

And a new submerged reef, named "Dingyan", was discovered at northeast part of Suyan reef.

并在苏岩东北方向新发现了一个“丁岩”暗礁。

youdao

And a new submerged reef, named "Dingyan", was discovered at northeast part of Suyan reef.

并在苏岩东北方向新发现了一个“丁岩”暗礁。

youdao