Calcium acetylide
[化] 碳化鈣; 電石
?? 詞語組成解析
n. [化]乙炔化物
??? 情景例句
As a matter of fact, my whole family banks here.
事實上， 我們全家都是貴行的顧客。
Sweep before your own door.
先律己，后律人。
I was being tested for a driving licence for the third time.
我第3次接受駕駛執照考試。