Perennates
多年生
🗣️ 情景例句
Thank you, sir.
谢谢。
Ignorance is bliss.
眼不见为净。
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。