| 释义 |
弦（*絃）xián
ㄒㄧㄢ
1.弓上发箭的绳状物 bowsting; string on a bow used for shooting an arrow
2.月亮半圆 crescent, or half moon：上～ shàngxián the first quarter (of the moon)/ 下～ xiàxián the last quarter (of the moon)
3.数学名词 a math. term：1.连接圆周上任意两点的线段 chord, a straight line joining two points on a curve 2.直角三角形中对着直角的边 hypotenuse, the longest side of a right-angled triangle (three-sided figure), which is opposite to the right angle
4.(-儿 -r)乐器上发声的线 the string of a musical instrument ［弦子 -zi ］［三弦 sān-r］乐器名 a three-stringed plucked instrument
5.钟表等的发条 spring of a watch or a clock：表～断了 Biǎoxiánr duàn le. The spring of the watch is broken. |