Powder metallurgy
[化] 粉末冶金
🧩 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
Didn't you give them to Richard?
你不是把它们交给Richard了吗？
He hears the violin squeaking.
他听到了小提琴发出的声音。
How Harry managed to keep a straight face during these performances is quite beyond me.
我实在想像不出哈里在这些表演中是怎样装出一本正经的样子的。