Undewriter
包销人
🗣️ 情景例句
I wasn't born yesterday.
我又不是三岁的孩子。
When the wolf grows old, the crows ride him.
狼老被鸦欺。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。