✅ 同义词
🗣️ 情景例句
I have a complaint for you.
我有点不满意的事要跟你谈谈。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。