Acanthodii
棘鱼纲
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
The woman was a visitor. She did not live in London. She lived in the country.
这老太太是位游客，不住在伦敦。