Spherical roller
[机] 球面滚子
🧩 词语组成解析
🗣️ 情景例句
Nothing will stay down when I eat.
我吃下去的东西全吐出来了。
I will be going to school in September.
我将在九月份上学。
It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day.
它们一年中消灭了多少昆虫，我们简直无法猜测，它们是吃不饱的动物，不满意一日三餐。