back stretch

基本解释

Attention to your shoulders relaxed, back stretch.
注意双肩放松，背部伸展。
iask.sina.com.cn
Finally, end with a neck and back stretch that propels you out of the bed.
最后，伸展你的头颈和后背，这样迫使你能从床上爬起来。
blog.sina.com.cn
For stretching, focus on the hamstring stretch, the hip &lower-back stretch, and the hamstring &back stretch.
拉伸方面——特别要关注腿筋拉伸、髋关节和腰背部拉伸、腿筋和背部锻炼。

They stretch from the north pole to the south pole, and back again in great circles of the same size.
Now, that was true in Sloane but I think Luce has got very good acoustics so you can stretch out in the back.
在斯隆那边确实是这样的,但是卢斯这里的音响效果很好,所以在后面也能睡好
耶鲁公开课 - 基础物理课程节选
Some of these books which we think are roughly from a certain date, they will contain narrative snippets or legal materials or oral traditions that may even date back or stretch back further in time, and they were perhaps transmitted orally and then ended up in these written forms.
有些篇章只是被我们粗略地认为出现于那个年代，其中包含的故事片段或律法材料或口头传统,其实也许能够追溯到更久远，所以这些很可能一开始是被口头传播,后来才用文字形式记载的。
耶鲁公开课 - 旧约导论课程节选

In contrast, if a frog is placed in room-temperature water, which is gradually heated to a boil, the relaxed frog will kick back, stretch out, and calmly allow itself to be boiled to death.
FORBES: Husband's Unauthorized Withdrawals Land Stockbroker In Hot Water