Vacuums
n. 真空, 真空状态, 真空度, 空洞, 真空装置, 真空吸尘器, 空虚
🗣️ 情景例句
Well, do you have the phone number there?
那么， 有那儿的电话号码吗？
You haven't sold your product in our country so far, have you?
到目前为止，你们的产品尚未在我们国家销售，是吗？
The deepest known cave in the world is the Gouffre Berger near Grenoble.
世界上最深的洞穴是格里诺布尔附近的高弗。伯杰洞，