observation的例句

observation 的相关例句:

51.	an observation tower
	瞭望塔
52.	unless my observation deceives me
	除非我的观察有差错
53.	by actual observation
	通过实地观察
54.	astronomical observation
	天体观测
55.	an astute observation
	机敏的观察
56.	a tour of economic observation
	经济考察旅行
57.	an ill-timed observation
	不合时宜的意见
58.	a man of keen [narrow] observation
	观察力敏锐〔有限〕的人
59.	his power of observation
	他的观察力
60.	an expedition of observation
	观测队