Pibal
n. 测风气球, 测风气球观察
🗣️ 情景例句
sacrifices have to be made by one partner from time to time.
总要有一方必须不时做些牺牲。
Button holes are very hard to sew.
要缝钮扣洞非常难。
We regard the matter as nothing important.
我们认为这件事情不重要。