Mlis
abbr. molecular laser isotope separation 分子激光同位素分离
🗣️ 情景例句
Sorry, I have to say good-bye.
我不得不说再见了。
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
Sorry, I don't know.
对不起，我不知道。