Calcium 2-ethylbutanoate
[化] 2-乙基丁酸鈣
?? 詞語組成解析
??? 情景例句
And you won't be able to speak for a while.
有一段時間 你們沒有辦法講話。
There is no friend so faithful as a good book.
最忠實的朋友莫過于一本好書。
When my husband was going into the dining room this morning, he dropped some coins on the floor.
今天早晨我丈夫走進飯廳時，把一些硬幣掉在地上了。