Tetrameter
n. 四音步句
🗣️ 情景例句
Good morning, sir. May I help you?
早安，先生。能为您服务吗？
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，