Odontometer
齿轮公法线测量仪
🗣️ 情景例句
Thank you, Philip.
谢谢你， Philip。
If you wish good advice, consult an old man.
如要忠告向老人请教。
OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where
00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。