Triklar
硬脂酸钡、镉、铅的混合剂
🗣️ 情景例句
By working together,
透过共同工作，
When I was informed of the announcement of my nomination.
当获知我已被提名时。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？