Beilupeimine
白爐貝堿
??? 情景例句
That's what I thought.
我也是這樣想的。
I'll work out our schedule.
我將制訂出我們的計劃。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飛離地球，火箭的速度要達到每秒7英里，