Selective headstock
[化] 变速箱; 床头箱
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
n. 头座, 机头座\\n[机] 车头, 主轴台
🗣️ 情景例句
I'm concerned.
我很担心。
I finished working at 5:30 and went home.
我在5:30完成了工作并且回家。
One of the real pluses of this product is that it is of very high quality and of compact size.
这种产品的真正优点之一就是高质量和小体积。