n. 取出,抽出;血统,家世,出身;[化]提取(法),萃取(法),回收物,提出物,精炼;[数]开方,求根;
ex分开+tract拉+ion表名词 → 提炼;抽出
🗣️ 情景例句
so I wouldn't lose them.
免得我弄丢了。
Did you use to go fishing with friends?
过去你常和朋友钓鱼吗?
Men accustomed to struggling for survival against the elements and Indians were bewildered by politicians, bankers and businessmen, and unhorsed by fences, laws and alien taboos.