Yǔhángyuán / chuān / shàng / yǔhángfú / hòu / cái / néng / jìnrù / zhēnkōng / cèshì / cāng

宇航员穿上宇航服后，才能进入真空测试舱。

Astronauts can enter the vacuum test chamber only after putting on spacesuits.