Stereoregularity
立构规整性
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
His telescopic observations are justly immortal;
伽利略用望远镜所作的观察确实是不朽的，