单词 | 铅垂 |
例句 | DEFINITIVE EXAMPLES 权威例句〔perpendicular〕A device, such as a plumb line, used in marking the vertical from a given point.垂规,铅垂线:一种装置,如铅垂线,用于从给定点标记竖直方向美国传统〔plumb line〕A line from which a weight is suspended to determine verticality or depth.铅垂线;垂直线:悬挂一重物来测定垂直度或深度的一根线美国传统 |
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