Petroxolin
液体石蜡
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
No, it isn't. It's a bus.
不，那是一辆公共汽车。
Very excited, the party dug a hole two feel deep.
队员们异常激动，就地挖了一个两英尺深的坑，