n. [昆] 上表皮（指昆虫外表皮或外骨骼外部蜡质层）
1.The epicuticle overlying the gland is smooth and lack of scales.
覆盖分泌腺的表皮表面光滑，无鳞片和毛状突起。
2.The epicuticle overlying the gland is smooth and lack of scales.
覆盖分泌腺的表皮表面光滑，无鳞片和毛状突起。
3.The epicuticle is dense and relatively uniform in thickness.
上表皮致密，较薄，厚度均匀。
4.The epicuticle i3 dense and relatively uniform in thickness.
上表皮致密，较薄，厚度均匀。
5.The cuticle has two layers: epicuticle and endocuticle.
表皮可分二层：上表皮和内表皮。