| 释义 |
DEFINITIVE EXAMPLES 权威例句〔VERTICAL〕Ensure that the plumbline is perpendicular before you start to draw the line. 开始画线前,要确保铅锤线是垂直的。朗文写作活用〔level〕A horizontal line or plane at right angles to the plumb.水平线:与铅锤线成直角的水平线或水平面美国传统〔plumb rule〕A narrow strip of wood with a plumb line and bob attached, used to test verticality.垂规:带有一段铅锤线和铅锤的一条狭窄的木条,用来检验垂直度美国传统 |