Hemihedrism
半对称性
🗣️ 情景例句
I'm extremely sorry for the delay.
对此延误，我深感抱歉。
I agree. I wish it were quicker.
是这样，我希望它能快一点。
They sighed and cried out for more water, but food and water were only given out once a day.
他们叹息着，嚷着要水喝，而水和食物每天只发放一次。