Valvetrain
气门
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
I'm so glad you could make it.
我很高兴赶上时间。
The secret lies in the title of the book which he wrote about his early life, The story of my experiments with truth.
秘密在于他写的那本关于他自己早期生活的《我体验真理的故事》一书。