Guaranteed vacuum
[化] 保证真空
🧩 词语组成解析
guaranteed
[[ˌgærən'ti:d]]
a. 有保证的, ；有人担保的
🗣️ 情景例句
Really, Harry.
真的， Harry。
I have due cause to do so.
我有充分的理由这么做。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。