他自从来到我们学校就教我们物理.
since he came to our school.
我们在新的旅行启程之际,不应忘了我们来自何处.
As we on our new journey, we shouldn't forget where we came from.
但是,说实在的,现在他已经有一段时间没玩了.
…but, be , he has not played for a while now.
在扔掉废物前进行分类是必要的.
It's necessary to divide the waste into different kinds before we it .
成功的关键在于从错误中学习,并且永不放弃.
The key to success is to learn from your mistakes and never .
我们历史老师中等身高.他对我们很严格.
Our history teacher is of medium .He is very with us.