Sohc
单项上凸轮轴式
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
Any personal hobbies such as sports, music and collecting stamps never had a place in his life.
任何一种个人的业余爱好，如体育活动，音乐，集邮等等在他的生活中从未有过地位。
Is there anything else that I ought to get?
我还该弄点别的什么东西吗？