Density modfulation
[电] 密度调制
🧩 词语组成解析
🗣️ 情景例句
Oh, Mother. I forgot you still had it.
噢， 妈妈。我忘了你仍然保留着它。
Cindy's sister will arrive in eight days.
辛迪的姐姐八天后将到。
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.
他们要在船舱里工作，切掉旧的金属，焊接新的金属板，钻孔，埋电线和电话线以及安装新的水管和蒸汽管。