Premonochromator
前单色仪; 前置单色器
🗣️ 情景例句
And you can both benefit financially.
你们俩都获得金钱上的利益。
To show our gratitude to all of you for being our reliable business partners.
为表达我们对你们——我们值得信赖的生意伙伴的感谢。
Half a pound of coffee.A quarter of pound of tea.And a tin of tobacco.
半磅咖啡、1/4 磅茶叶和一听烟丝。