✅ 同义词
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
I look forward to receiving your reply.
我期待着你的答复。
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，