Whirbone
髌骨
🗣️ 情景例句
Okay. Thank you.
好的，谢谢。
What's the rate for a station wagon?
租一辆客货两用轿车要多少钱？
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？