The clinical manifestation of crossed ectopic kidney was unfeatured,and it could be misdiagnosed and mistreatment.

交叉异位肾的临床表现无特异性,但极容易引起误诊、误治。

Cleaning the light is simplicity itself; just wipe it with a cloth.

把灯弄干净极容易, 用布擦就行了。

It is easy enough to make a stable hovercraft which is capable of "weathercocking" quickly into the wind.

制能够快进的平稳气垫船，是极容易的事。