相关题目
（ ） is the changing of ice directly to water vapor, or of water vapor to ice.
The reverse of evaporation is （ ）. It occurs when water vapor changes to a liquid, as when water drops form on a cool glass on a warm day.
（ ） is the changing of liquid water to invisible water vapor.
（ ） in the Northern Hemisphere flow clockwise around highs and counterclockwise around lows.
（ ） deflects the wind toward the right in the Northern Hemisphere.
Pressure gradient and （ ） work in combination to create wind.
（ ） is a deflective force that is created by the difference in rotational velocity between the equator and the poles.
After the landing of the hijacked aircraft, controller should guide it to taxi to the position with a safe distance from（ ） .
A high or a （ ） is generally associated with good visibility, calm or light winds, and few clouds.
A col is （ ） ．
