目前该科学考察船正在公海海域开展相关活动。

At present, the vessel is carrying out relevant activities on the high seas.

youdao

同一时间在全国开展了相关的宣传活动。

There is a national ad campaign on the theme, too.

youdao

同一时间在全国开展了相关的宣传活动。

There is a national ad campaign on the theme, too.

youdao