Selective extraction
[化] 选择性提取
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
extraction
[ɪk'strækʃən]
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
He has the reputation of being bright.
他以头脑好而闻名。
I'm taking Chinese and History.
我将选中文和历史。
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。