Protochordata
原索动物门
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
No, I'm not. Good! I can reach them now. Catch!
不，不高。好！现在我够得着了。接住！