Levelness
水平度
🗣️ 情景例句
But we can!
但我们能！
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
Of course, New York is the ideal place for such an interesting study, because there is no shortage of tall buildings.
当然，纽约是进行这种有趣的试验的一个理想的地方，因为那里根本不缺乏高楼大厦，有的是高层的窗槛从上往下坠落。