Apparent powder density
[机] 表观粉密度
🧩 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
Betty, you had it, but you didn't say it.
Betty你知道答案， 但是你没有说出来。
Fooling around
闲荡
That's OK. Jim, you must look after yourself and keep healthy.
行。吉姆，你要照顾好自己，保持身体健康。