下弦 meaning in Chinese
[天文学] last quarter; third quarter
◇下弦月 the moon at the last [third] quarter
Examples
- The moon was in its last quarter, and was long beset with clouds, but after a while, shone out .
这下弦的弯月长久地被云层所包围，过了一会，才射出皓光。 - The moon is in its last quarter
月球现处於下弦 - Curved bottom chord
曲线形下弦杆 - Neap tides : tides of small range occur when the moon is at its first or last quarter
小潮：出现在每个月上弦或下弦时期，潮差特别小的潮汐。 - The set of tectonic cracks on down beam is beneficial to anti - seism along the longitudinal and side long of aqueducts
拱架下弦杆分缝断开的做法对纵、横槽向抗震的最终效果是有利的。