2.防备;防御
	against the cold 防冷against a rainy day
	防备雨天
	We are all taking medicine against the flu.
	我们都在服药预防流感。
	be prepared against war and natural disasters
	备战备荒
	
	
	7. air 
	空气,天空 
	1.  发表(意见等) 
	air one's views发表意见 
	使通风, 使通气 
	She aired the room by opening the window. 
	她打开窗子使房间通风。 
	
	
	8. allow 
	允许,准许 
	给予;使得到 
	allowed him £1000 for expenses   
	给他每年1000 英镑的开销 
	容许(of) 
	allow of no excuse 
	不容辩解 
	The situations allow of no excuse. 
	形势不容许拖延; 形势刻不容缓。 
	
	
	考虑到;体谅;顾及(for) 
	We must allow for his youth. 
	我们应当体谅他年轻。 
	酌留;预计 
	allow 10% for inflation 
	允许10%的通货膨胀 
	allow 15 minutes for delay 
	预留15分钟以防耽搁