Mcls
abbr. megacycles per second 兆周/秒，兆赫
🗣️ 情景例句
No sweat.
小事儿。
Don't be so sure.
话别说得太满。
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。