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
The good news is that the Levinsons have come by
好消息是Levinson夫妇已来这儿
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话,我可能要你帮个小忙。
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.