Protection of functional group
[化] 官能团的保护
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
functional
['fʌŋkʃənl]
adj. 功能的;[数]函数的;有多种用途的;机能性;
group
[ɡrup]
n. 组，团体;群，批;（雕塑等的）群像;（英美的）空军大队;
vt.& vi. 使成群，集合;
vt. 分类，归类;
🗣️ 情景例句
But it'll be better tomorrow.
但是明天就会好多了。
A man without money is a bow without an arrow.
人无钱，犹如弓无箭。
It was so heavy that a crane had to be used to remove it from the lorry.
饼干份量太重了，用了一台起重机才把它从卡车上卸下。