Hexamethylamine
六甲铵
🗣️ 情景例句
What kind of exercises do you like to do?
你喜欢什么锻炼方式？
Better a little fire to warm us, than a great one to burn us.
适量的火好取暖，熊熊烈火能焚身。
I live in a tall building in the middle of the city.What about you?
我住在这个城市中心的一幢高楼里。你呢？