Envelope feeder
[计] 信封送纸器
🧩 词语组成解析
envelope
['envələʊp]
n. 信封，封皮;壳层，外壳;包裹物;[生物学]膜，包袋;
en 表示\"进入…之中，包围\" +velop =cover（盖上） +e → .信封, 封套, 封袋, [天]包层, [数]包迹, [生]包膜
feeder
['fi:də]
n. 支流，支线;进料器;供给装置;饲养员;
🗣️ 情景例句
Oh, who could that be?
啊，这会是谁呢？
Every dog has his day, and every man his hour.
人人都有得意的日子。
If the feeding place was away from the sun, the straight part of the wagging dance pointed downward.
如果喂食地点向着太阳，跳舞的蜜蜂在跳摇摆舞时直线部分就一直向上。