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
Did you ever think of photographing an aerobics class?
你想过拍摄有氧运动课吗？
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
One can only gently insinuate something else into its convulsive grasp.
你只能缓和而巧妙地让另一种东西进入痉挛僵持的头脑中。