| 释义 |
envelope | BrE ˈɛnvələʊp,ˈɒnvələʊp, AmE ˈɛnvəˌloʊp,ˈɑnvəˌloʊp | noun ① (for a letter) 信封 xìnfēng ▸ to put sth in an envelope; 把某物装入信封 ▸ in a sealed envelope 在密封的信封中 ▸ a stamped (and) addressed envelope 贴了邮票有地址的信封 ▸ drawn up on the back of an envelope 当场起草 ▸ to push (the edge of) the envelope 发挥到极致 ② (membrane) (general) 膜 mó ③ Biology 包袋 bāodài ④ Botany 包被 bāobèi ⑤ Zoology 气囊 qìnáng ⑥ Aviation (in balloon, airship) 气囊 qìnáng |