Leaving group
[化] 離去基團
?? 詞語組成解析
n. 離開；殘余；渣滓
group
[ɡrup]
n. 組，團體;群，批;（雕塑等的）群像;（英美的）空軍大隊;
vt.& vi. 使成群，集合;
vt. 分類，歸類;
??? 情景例句
The area of industry you wanted to get into is already at saturation point.
你想進入的待業已經達到飽和點了。
To paint the roof
油漆屋頂
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有許多人需要打電話到火車站、汽車公司或電影院，以便弄清火車、汽車的起始時間或電影放映的時間吧。