Babosil
钡硼砂
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
Hasty climbers have sudden falls.
大起者有大落。
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？