自校英文

Hello! I'm Lily. I study in Hongda School. It is in Zhejiang. It is divided into primary school, middle school and high school. So, it is very big. And it is beautiful, too. Here there are many teaching building and many dormitory building. We often learn in the teaching building. And there are many trees, flowers and grass. Look, this is the playground. We often run in it. I love my school.嗨！我叫莉莉。我在宏大小学上学，学校在浙江。它分为小学部、初中部和高中部。所以学校很大，还很漂亮。这儿有很多教学楼和宿舍楼。我们常常在教学楼学习，那儿有很多树木花草。看，这里是我们的操场，我们经常在里面跑步。我爱我的学校！

单点自校就是针对单个机器设备进行自我检验校正。单点自校就是针对单个机器设备进行自我检验校正。

My school is big and nice.There are two beautiful gardens.There are twenty classes and nine hundred students in our school.There is a big library in our school .I often read books there.I love my school very much.我的学校大而美丽，有两个美丽的花园。有二十个班级和九百名学生。我们学校有一个大图书馆，我经常在那儿读书。我非常爱我的学校。

Come from BeijingWelcome come from our school's

welcome to our school

工具-选项-拼写和语法，把需要的勾起来，确定即可。如果你的拼写和语法是灰色的，点不了，那就要装个完整版的word了。

标准物质和标准品是同一样的东西不同叫法，金属类的标准物质人们常叫做标准样品，这两类是具有国家证书。而对照品是没具有国家证书，但可以用于试验检测，