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
Are you ready?
你准备好了吗
Life without a friend is death without a witness.
在世无朋友，死后无证人。
they are not prepared even to admit the possibility that noise affects people.
甚至不愿承认噪音可能对人有影响。