Minvar
敏瓦尔低膨胀系数合金铸铁
🗣️ 情景例句
Take no chances with it.
这事儿可不能碰运气。
I'm sure he will get to the party on time.
我确定他会准时参加宴会。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，