您要查找的是不是：
- The outer envelope of a flower, consisting of either the calyx or the corolla, or both. 花被花的外层包被，包括花萼或花冠或两者兼具
- In this model, the resulting implosion and ensuing explosion would blow off the outer envelope of the star and leave behind the core as a neutron star. 按此模型，引起的突然压缩和随后的爆发会把恒量的外部包层吹跑，留下的核成为一颗中子星。
- The reproductive structure of some seed-bearing plants, characteristically having either specialized male or female organs or both male and female organs, such as stamens and a pistil, enclosed in an outer envelope of petals and sepals. 花具有专门用途的雄性或雌性生殖器官之一或两者兼具的某种结籽植物的再生产结构，例如雄蕊和雌蕊，被包裹在外面的花瓣和萼片之中
- The tenderer shall seal the original and two duplicate tenders each in an inner and an outer envelope, duly marking the envelopes as "Original" and "Duplicate". 投标者应把标书原本和两个副本分别各装入一个内信封和一个外信封,且在信封上注明“原本”、“副本”。
- damp-proofing for outer envelope 外围护结构防潮
- Outer envelope lipoprotein/genus -specific antigen 外膜脂蛋白／属特异性抗原
- The algorithm of dichotomy was applied to find the optimum declination value when the construction of inner and outer envelopment was designed. 该算法使用点对合并的聚合方法来减少点元的数量；构造内外包络时，使用二分法寻找最佳偏移值。
- The inner and outer envelops of the annular beam are also derived under different plasma electrons distributions. 求解了环形束内不同等离子体分布情况下电子束在等离子体中的包络轨迹。
- Have you stuck down the back of the envelope? 信封背面开口处贴牢了吗？
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
- As she picked up the envelope, a key dropped out. 她拾起信封时，一把钥匙掉了出来。
- Put a stamp on the envelope, will you? 在信封上贴张邮票，好吗？
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- An outer coat of glaze on a piece of pottery. 外层釉陶器釉面上的第二层釉
- The outer walls of the building were painted blue. 这座建筑的外墙被漆成了蓝色。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
