Powdered metal
[机] 粉末金属
🧩 词语组成解析
a. 弄成粉末的, 粉状的\\n[医] 粉状的
metal
['mɛtl]
n. 金属;金属元素;成色;金色;
vt. 以金属覆盖;
🗣️ 情景例句
By the way,
顺便问一声，
One boy is more trouble than a dozen girls.
一个男孩比十二个女孩还要麻烦。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。