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n. 门内外对讲机
🗣️ 情景例句
He has a reputation for honesty.
他以诚实著称。
Deep rivers move in silence, shallow brooks are noisy.
深水静静流，浅溪潺潺流。
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，