Softback
n. 平装书, 纸面书
🗣️ 情景例句
Now, no more stalling.
现在，不用再拖延了。
Every dog is valiant at his own door.
站在家门口，狗也雄纠纠。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.
作为一个船舶技帅，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。