Hdo
abbr. hydrogen-deuterium-oxygen 重水; heavy diesel oil 重柴油; half-duplex operation 半双工操作; horizontal deflection oscillator 水平偏转振荡器
🗣️ 情景例句
Susan has told me a great deal about you.
Susan告诉我许多关于你的事。
Do you know what's on tonight?
你知道今天上演什么？
planes, or land vehicles----for it is something in between a boat and an aircraft.
飞机，或是陆上交通工具，因为它是介于船和飞机之间。