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
Do you frequently surf the net?
你经常上网吗？
We would also like to point out that we mainly settle our accounts on a documents-against-acceptance basis.
我们还想指出我们主要以承兑交单方式结帐。
That the equipment of modern camping becomes yearly more sophisticated is an entertaining paradox for the cynic,
现代露营装备一年比一年讲究，这对那些厌世嫉俗者来说是一件有趣的自相矛盾的事情。