Daldrin
达耳德林(祛痰合剂)
🗣️ 情景例句
I only buy used books.
我只买旧书。
I couldn't get through.
我打不通电话。
The Hubble will tell us a great deal about the age and size of the universe.
哈勃将告诉我们有关宇宙的年龄和大小的许多事情。