Place your back all the way to the backrest.

把你的背紧紧在椅背上。

His eyes gleamed as he sat back.

在椅背上，两眼闪闪发光。

All you have to do is to sit back and relax.

你需要做的只是在椅背上放松。

Are you pro- or anti-plane seat reclining?

你是赞成还是反对飞机椅背向后倾斜？

Leans back in the seat. Closes his eyes.

倒在椅背上，闭上眼睛。

I jumped up, grabbing my bag from the back of my chair.

我跳起来，从椅背上抓起我的背包。

He gave a strange half laugh and leaned back in his chair.

奇怪地似笑非笑了一下，往后到了椅背上。

She smiled and sat back comfortably.

她微笑着在舒适的椅背上。

A face showed itself with marked distinctness against the dark-tanned wood of the upper part.

而是在棕褐色木头椅背上方的一张轮廓分明的脸。

Ron was lying on the hearthrug, trying to finish his Transfiguration homework.

罗恩正躺在椅背上，努力完成的变形家庭作业。

His hands were clenched on the back of a chair in front of him.

的手抓着椅背。

They shook the table, the back of my chair, the floor under my feet and even the windows.

们摇晃桌子，椅背，脚下的地板，甚至窗户。

So sit back, on your, on your chair with your back against, against the, the back rest.

请大家在椅子上坐好，将后背在椅背上。

Snape gripped the back of a chair very hard and said, How can you be sure?

斯内普紧紧地抓住一把椅子的椅背，问道：“你怎么能肯定？”

The more points of contact your back can have with a contoured and supportive seatback, the better.

你的背部轮廓和支撑椅背的接触点越多越好。

Stan swivelled in his armchair, his hands on the back, the better to look at Harry.

斯坦在扶手椅里转了一圈，把手放在椅背上，以便更好地看着哈利。

The Weasleys roared with laughter and Harry settled back in his seat, grinning from ear to ear.

韦斯莱兄弟哈哈大笑，哈利在椅背上，乐得合不拢嘴。

He was sitting right behind Parvati Patil, whose long dark hair fell below the back of her chair.

坐在帕瓦蒂佩蒂尔身后，她黑色的长发垂在椅背上。

With these words, Jefferson Hope leaned back in his chair and began the following remarkable statement.

杰弗逊·侯说完这些话以后，就在椅背上，开始说出了下面这篇惊人的供词。

He leaned his head back against the seat, staring at the ceiling of the car. His face was rigid.

把头在椅背上，盯着车里的天花板。的神情很坚毅。