Branched-chain hydrocarbon
[机] 支键烃
🧩 词语组成解析
a. 分枝的；枝状的；有枝的
chain
[tʃen]
n. 链子，链条;连锁，连续;拘束;连锁店或旅馆系列的事物;
vt. 用铁链锁住;监禁，束缚;
🗣️ 情景例句
Harry, would you like to see a menu? Harry
你想看看菜单吗？
If it is left too long, it begins to give off a bad smell.
假如把它放得太久了，它就会开始发臭。
There are some books on the stereo.
音响上面有几本书。