| 词汇 | u-bend |
| 释义 | U-bend noun[ C ] uk /ˈjuː.bend/ us /ˈjuː.bend/ a U-shaped piece of pipe, especially one under a toilet or sink, that holds water in its lower part and prevents unpleasant gases from getting out（尤指安装在抽水马桶或水槽下防臭的）U 型弯头，马蹄弯头 bofotolux/iStock/Getty Image Plus/GettyImages Building: plumbing, pipes & sewage ballcock black water catch basin caulking cesspit gurgler hot-water tank hydrant influent isolator leakage plumb plunger septic tank sewage sewage works sewer siphon spigot waterworks u-bend | Business Englishu-bend noun[ C ] ukus GRAPHS & CHARTS a line on a graph that starts high, gets much lower, and then rises again, giving it the shape of the letter 'U'. It is also used to refer to situations in which something decreases and then increases again: The report found that happiness is a u-bend, decreasing until middle age and then rising again. |
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