Maccallum's stain
[医] 麦卡勒姆氏染剂(染组织中流感杆菌与革兰氏阳性菌)
🧩 词语组成解析
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
It only takes eight minutes by bicycle to the aerobics class.
骑自行车去上有氧运动课只需要八分钟。
What happened to you memory?
你的记性是怎么搞的?
Is everyone here? asked Mother.
“都到齐了吗?”母亲问。
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