At this juncture, I would like to make an important announcement.

I would like to acknowledge my debt to my teachers.

我想向我的老师表达我的感激之情。

I would like to express my gratitude to everyone for their hard work.

我要对所有辛勤劳动的人表示感谢。

For students with poor eyesight or hearing, a seat at the back of the classroom is not a good choice.

对于视力或听力不好的学生来说，教室后面的座位并不是一个好的选择。

Could you feel anything at the back of it?

你感到这里有点名堂吗？

I sat at the back of the room.

我坐在房间后面。

The people are at the back of the government.

人民是支持政府的。

What's that at the back of the fridge?

冰箱尽里头那东西是什么？

'I know the answer,' piped up a voice at the back of the room.

“我知道答案。”房间后边有个声音叫起来。

Her copy of 《 Evangeline 》 has many helpful notes at the back.

她那本《伊万杰琳》后面有许多有用的注解。

Hamstrings are supporting muscles at the back of the thigh

腿筋是位于大腿后侧起支撑作用的肌肉。

Doubts were already gnawing away at the back of his mind

心底的疑团已经开始困扰他。

There is no index at the back of this book.

这本书后面没有索引。

I found some old photos at the back of the drawer.

我从抽屉尽里头找到一些旧照片。

People often think that students who sit at the back are lazy.

人们常常认为坐在后面的学生很懒。

Light refreshments will be served at the back of the hall.

会堂后面将供应简单的茶点。

Check your answers in the key at the back of the book.

用书后的解答核对答案。

Our room was at the back of the hotel.

我们的房间在旅馆靠后面的地方。

She twisted her hair into a bun and pinned it at the back of her head.

她把头发盘成一个髻，用发夹别在脑后。

There are fruit trees in front and at the back of the house.

房子前后都是果树。

We could only get seats at the back.

我们只能找到后排的座位。