Actinomorphy
辐射对称
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
Without a friend,the world is wilderness.
没有朋友，世界成了荒野。
There are countless people who, ever since their early years, have learned to associate snails with food.
有不计其数的人们从小就知道蜗牛可做菜。