Selective stain

[医] 选择性染剂

🧩 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;

stain [sten]

vi. 弄脏;污染;被玷污; vt. 玷污，染污;败坏（名声）;给…染色; n. 污点;瑕疵;着色剂;色斑;

s(dis的简型)+tain(to dye染色)→染污；污点

🗣️ 情景例句

Thank you.

谢谢 。

Besides the required courses, I'm taking an elective in the Lab Science.

除必修科目外，选修科目我选了实验科学。

The police were astounded when Mrs.Ramsay told them what she had done.

拉姆齐太太把她所做的事告诉了警察，警察听后大为吃惊。

更多情景英语 ›

🔤 更多 S 开头的单词

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second sound

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