演练

yùn dòng yuán men zhèng zài yǎn liàn gè zhǒng jì qiǎo xìng de dòng zuò

运动员们正在演练各种技巧性的动作。

The athletes are practising all kinds of sports acrobatics.

dì miàn yǎn liàn

地面演练

aviation ground drill

háng kōng yǎn liàn

航空演练

aviation drill

yìng jí yǎn liàn

应急演练

emergency drill

shā pán yǎn liàn

沙盘演练

sand-table exercise

tā gěi tā men yǎn liàn rú hé shǐ yòng cì dāo

他给她们演练如何使用刺刀。

He showed them how to use bayonets.