Valvetrain
气门
🗣️ 情景例句
Come by one day and look at some of the other dogs.
有空来一趟，看看其他狗。
Everything will be fine.
一切都会很好。
As Daniel Goldin of NASA observed, 'Finding life elsewhere would change everything.
正如美国国家航空和宇宙航空局的丹尼尔。戈尔丁指出的“在其他地方发现生命会改变一切。