Vacuum range
[电] 真空范围
🧩 词语组成解析
range
[reindʒ]
n. 范围;射程;类别;（山脉，房屋等的）排列;
vi. 搜索;变化;延伸;漫游;
vt. 排列;（按一定位置或顺序）排序;把…分类;徘徊;
adj. 牧场的，放牧区的;
🗣️ 情景例句
I hate owing people.
我不想欠别人的。
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
They must keep their hands behind their backs.
他们得一直将手放在背后。