Knox's powder
[医] 诺克皮斯氏散剂, 含氯石灰, 漂白粉
🧩 词语组成解析
powder
['paʊdɚ]
n. 粉，粉末;粉状物质;
vt. 在…搽粉;
vi. 涂粉，变成粉末;
🗣️ 情景例句
I don't know. It's locked.
不知道， 锁着呢。
A useful trade is a mine of gold.
一样有用的手艺是取之不尽的财富。
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。