Bivane
双风向标
🗣️ 情景例句
Mr. Douglas is currently on leave.
道格拉斯先生眼下正在休假。
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。