基本解释上陞曲線同根派生 upcurve相关词英汉例句The underline stays level with the elbows to a slight upcurve at the flank. 下腹曲線水平，從肘部到腰窩略微上提。solid upcurve bifocal lens 上彎形整塊雙焦點透鏡upcurve更多例句