Please accept my apologyNB=NC=BC/2nice to do很高兴做某事……（描述的事情可以是现在one two three four five six nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty—one twenty-two twenty-three twenty-four twenty-fiveN是微粒个数My school life
My school is very beautiful.It is in GuichengP=P(密度)gh
watered watered wateringnice
face lace trace sit some son
slowplease give my best wishes to your parents.
please give my regards to your parents.No matter wherep5：（3）圆柱形侧面积=3.14×5×5×10=785平方厘米
（4）一个圆柱形木墩my recent daysNingBo Zhenhaihengji Real Estate Exploitation Ltd
my teacher found out that is some spelling mistake on my essay
perfect Chinese 完善的中文
Nanning is my hometown.It is the capital of Guangxi autonomous region in southern China.It is known as the \"Green City\" because of its abundance of lush tropical foliage.
Nanning is located in the southern part of Guangxi Zhuang Autonomous Region
over there = 在那里
Last weekend English play show was a great success.There were fourteen English shows.They were quite interesting and made us laugh all the time.Cinderella was very beautiful
Our earth will become so weak that it can not be our homeland.
N=n*NA m=M*n n=m/M=N/NA M=m/n