Pdg
abbr. 超星阅读器文件
🗣️ 情景例句
We'll have three crab salads
我们来三份蟹肉沙拉
Do I have to make a reconfirmation?
我还要再确认吗？
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？