潜艇在海洋中静静地游弋。
qiántǐng zài hǎiyáng zhōng jìngjìng dì yóu yì 。
The submarine quietly swims in the ocean.
他梦想成为一名潜艇驾驶员。
tā mèngxiǎng chéngwéi yīmíng qiántǐng jiàshǐ yuán 。
He dreams of becoming a submarine pilot.
军事演习中,潜艇的表现非常出色。
jūnshì yǎnxí zhōng , qiántǐng de biǎoxiàn fēicháng chūsè 。
During the military exercise, the submarine performed exceptionally well.