Bak
[计] 后备
🗣️ 情景例句
Do you get the picture?
明白是怎么回事了吗？
It's incredible.
令人难以置信。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。