Contrast stain
[化] 对比染色剂\\n[医] 对比染剂(指鉴别染剂、复染剂等)
🧩 词语组成解析
n. 对比,对照;差异;对照物,对立面;[摄]反差;
contra(against)+st(stand)→对照;反衬;对比
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
Poverty on an old man's back is a heavy burden.
老而贫穷,负担沈重。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛;
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