Cambowl
凸轮滚子, 踏盘转子
🗣️ 情景例句
The checkout counters are very busy.
收款台都很忙。
Pat began to feel unhappy about what he had done.
帕特开始对自己所做的事感到悲伤。
Most of the cattle farming is in North Island.
畜牧业大部分在北岛。