Ucf
abbr. Ultracentrifuge 超离心分离机
🗣️ 情景例句
Smoking makes your teeth yellow and ugly.
吸烟让你的牙齿变得又黄又丑。
Never put the plow before the oxen.
不要本末倒置。
But other suns, stars as the astronomers call them, are bound to have planets like our own,
但是,其他的太阳,即天文学家所说的恒星,肯定会有像我们地球一样的行星。
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