Construction(al) material(s)
[化] 结构材料
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
Have some decency!
正经点！
They intend to bring the men up in a special capsule.
他们准备用一种特制的容器把这6个人救上来。