Dinitrogen coordination compound

dinitrogen

tetroxide[化]四氧化二氮

coordination [ko,ɔrdɪ'neʃən]

n. 协调;和谐;

co(with)+ordin(order)+ation(名词后缀)→同等；协调

compound ['kɑmpaʊnd]

n. 场地;复合物;（筑有围墙的）院子;复合词;

com全部+pound放→全部放到一起→化合物

Come on, you can tell me.

说吧，告诉我。

Can you keep an eye on the baby while I go shopping?

你能否在我上街买东西的时照看一下孩子？

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。