A2 [ I or T ] to put something into a bag, box, etc.（把…）打包，收拾（行李）

[ T ] to put a material around something before putting it into a bag, box, etc. so that it will not break or be damaged给…裹上保护材料

[ I usually + adv/prep, T ] to come or bring together in large numbers or to fill a space聚集；挤进，塞满

[ I or T, usually + adv/prep ] to (cause to) form into a solid mass（把…）压实，（使）堆积

[ T ] US slang to carry something, especially a gun携带（尤指枪）

B2 a group, set, or collection of something一批，一套，一组

C2 a group of animals, such as dogs, that live and/or hunt together（一同生活和／或猎食的）一群（动物）

an organized group of children who are brownies or cubs（童子军的）一队

US also deck a set of playing cards一副（纸牌）

mainly disapproving a group of similar people, especially one that contains people whose activities you do not approve of（尤指行为不受人欢迎的）一伙人，一帮人

mainly US a small paper or cardboard container in which a number of small objects are sold 一包

US also backpack a type of bag that you usually carry on your back when you are travelling背包；旅行背包

a thick mass of a substance, often like clay, that is used as a beauty treatment for the face美容敷膏，面膜

a thick mass of cloth, etc. that can be put on an injury to stop any bleeding or swelling（放在伤口上止血或消肿的）裹布；敷料

used in combination with an amount to show that that many of a particular type of goods have been wrapped and are being sold together成包的，成捆的