Bilaterality
两侧对称
🗣️ 情景例句
We're happy you got the promotion.
很高兴你得到了提拔。
Would he have seen you if you hadn't waved to him?
如果你没向他招手他会看见你吗？
We have all experienced days when everything goes wrong.
我们大家都有过事事不顺心的日子。