Sem.
[医] 种子; 精液
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
Old love will not be forgotten.
旧情永难忘。
Mary has written ten letters today.
马力今天写了十封信。