🧩 词语组成解析
n. [口语]环境保护论者
🗣️ 情景例句
He came down with the flu, so he didn't go to work.
他感冒了，所以没去上班。
Excuse me I don't know.
对不起我不知道。
2 Two friends meet at school on the first day of term.2
两个朋友于新学期的第一天在学校见面。