Basivalvulae
瓣基片
🗣️ 情景例句
I enjoyed reading these books very much.
我很喜欢读这些书。
They had a baby last month.
他们上个月有了一个婴儿。
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？