改观的英文：
change appearances

参考例句：

Economic efficiency in the circulating sector improved to some extent
流通领域经济效益状况有所改观。

Urban infrastructure facilities have improved considerably
城市基础设施有了很大改观。

Urban infrastructure facilities have improved considerably.
城市基础设施有了很大改观。

Economic efficiency in the circulating sector improved to some extent.
流通领域经济效益状况有所改观。

During her occupancy the garden was transformed.
在她居住期间花园改观了

This great victory changed the complexion of the war
这次大捷使整个战局为之改观。

This great victory changed the complexion of the war.
这次大捷使整个战局为之改观。

She changed the room by painting the walls green.
她将墙漆为绿色，使房间改观。

This landmark case dispels the absolute finality of this dreaded disease
这个划时代的病例终于改观了这可怕疾病的绝对结局。

She would improve her diet if she ate less fried food and snacked less.
如果她少吃油炸食品和零食的话，她的饮食结构就会有所改观。

change是什么意思：
n. 变化；交换，交替；零钱
v. 改变；交换，替换；兑换；更换

change a bed;change the baby.
换床单；给婴儿换尿布

We propose 'a change [making a change / to make a change / that a change should be made].
我们建议应做一点改变。

The change of quantity can causes the change of quality.
量变可以引发质变。

Changing the rate of cylinder rotation changes the speed selected.
改变圆筒旋转速率就改变被筛选的速率。

Inflammatory changes appear secondary to biochemical changes
炎症变化似乎是继发于生物化学的变化。

appearances是什么意思：
n. 出现，来到；露面，出场；外貌，外观

appear in sight
出现于视域内

Appearances are deceitful
人不可貌相,海水不可斗量

They will appear later.
他们稍晚会露面。

Appearances are deceptive.
外表往往带有欺骗性(外表是靠不住的)。

Appearances are deceptive
外表欺人;勿以貌取人