n. 取出,抽出;血統,家世,出身;[化]提取(法),萃取(法),回收物,提出物,精煉;[數]開方,求根;
ex分開+tract拉+ion表名詞 → 提煉;抽出
??? 情景例句
Sure. Hand me the pen.
當然。請把筆給我。
I informed her mother of her safe arrival.
我通知她母親她已經平安抵達。
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.