Camshaft
n. 凸轮轴
📖 牛津释义
camshaft
n
shaft with a cam or cams on it, esp in a motor vehicle 凸轮轴（有凸轮的轴, 尤用於机动车辆）.
🗣️ 情景例句
Beijing exit 500m.
北京出口前面 500 米。
One thing, however, that we should not forget in doing business is to have a sense of appreciation.
可是有一件事我们做生意时不能忘，就是保持一份感恩的心情。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。