Metallographer
n. 金相学家
🗣️ 情景例句
My vacation was terrible, it rained the whole time.
我的假期简直糟透了，整天都在下雨。
Who is the governor of this state?
这个州的州长是谁？
let alone distances of tens or hundreds of light years.
更不用说几十光年或几百光年远的地方了。