back-up block 支撑块
Going back into North Block after all of this, I found myself constantly looking up and constantly looking over my shoulder.
这之后我们回到北区,我发现自己不停地向上和两边张望。
The server then formats a block of HTML that makes up the response and sends it back to the page.
然后,服务器格式化组成该响应的 HTML 块并将其返回到页面。
The halyard typically rises from the head of the sail to a block at the head of the mast and back down to deck level, from where it is pulled up to raise the sail.
升降索通常从帆的前侧延伸到桅杆顶端,然后下降到甲板平面,在甲板上拉起升降索就能升起船帆。
Having reached the end of the block, go back up and check the test.
执行到了这块代码的最后,程序会回去再做一次测试。
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