n. 弧线,曲线;曲线状物;弯曲物;[棒]曲线板;
vt. 使弯曲;使成曲线;使成弧形;
vi. 弯曲;弯成曲线,弯成弧形;沿曲线行进;
adj. 弯曲的;曲线形的;
🗣️ 情景例句
Mom.
妈妈。
To hover
盘旋
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.