Minipump
小型真空泵, 微型真空泵
🗣️ 情景例句
Britain is behind Japan in developing modern technology.
在发展现在技术方面英国落后于日本。
Experience is a school from which one can never graduate.
经验无止境。
Loud conversations on mobile phones invade our thoughts or interrupt the pleasure of meeting friends for a quiet chat.
用移动电话大声交谈干扰我们的思路，破坏我们和朋友在一起轻声聊天所得到的乐趣。