Radioactive constant
[医] 放射性常数
🧩 词语组成解析
🗣️ 情景例句
He's a friend.
他是位朋友。
Never swap (or swop) horses while crossing the stream.
骑渡中流莫换马。（指危难时不宜做大变动）
Of course a writer doing this is misunderstood:
作家如此行事当然会被人误解。