Ketone group
酮基
🧩 词语组成解析
ketone
['ki:toʊn]
n. 酮;
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
Who's in charge here?
这儿谁负责？
How much does a round trip ticket to go there cost?
一张去那边的往返票要多少钱？
When my husband was going into the dining room this morning, he dropped some coins on the floor.
今天早晨我丈夫走进饭厅时，把一些硬币掉在地上了。