Metallography
n. 金属平印术, 金相学\\n[化] 金相学
🗣️ 情景例句
You really need to shed some fat.
你真得减减肥了。
I can't afford it.
我买不起。
I'm afraid it's the cheapest one we've got.
恐怕这一套算是我们这里最便宜的了。