Thermoduct
温度逆增形成的大气层波导
🗣️ 情景例句
Many people believe that GM food is not good for your health.
许多人认为基因改良食品对健康有害。
What is the total circulation of this journal.
这份报刊总发行量多少？
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。