cover ♦︎ wrapper ♦︎ casing ♦︎ wrapping ♦︎ sheath ♦︎ tarpaulin ♦︎ tarp ♦︎ covering ♦︎ wrapThese are all words for sth that covers or is wrapped around an object.这些词均表示覆盖物、包裹物、套子。PATTERNS AND COLLOCATIONS 句型和搭配◆under a cover / tarpaulin / tarp / covering◆a protective cover / wrapper / casing / wrapping / sheath / covering◆(a) plastic cover / wrapper / casing / wrapping / sheath / tarpaulin / tarp / covering / wrap◆(a) paper cover / wrapper / wrapping / covering◆to take off / remove the cover / wrapper / wrapping / covering / wrap◆to take sth out of its wrapper / casing / wrapping / sheath■cover [countable] a thing that is put over or around another thing, usually to protect it or make it look attractive（起保护或装饰作用的）覆盖物，掩盖物，套子，罩子◆The buggy had a plastic waterproof cover.那辆童车有一个塑料防水篷。◆The plants provide a protective cover for the soil.植被为土壤提供了一个保护罩。◆It's a good idea to put a dust cover over your computer at night(= to protect it from dust).在晚上为计算机盖上防尘罩是个好主意。◆Brighten up your room with some colourful cushion covers.用一些色彩鲜艳的靠垫套使你的房间更添亮丽。 see also cover ⇨ hideverb1■wrapper [countable] a piece of paper, plastic, etc. that is wrapped around sth in order to protect it. Food that you buy will often have a wrapper on it in order to protect it and keep it clean.（食品等的）包装材料，包装纸，包装膜◆Each meal is packed in a sealed wrapper.每份餐都密封包装。◆He eagerly tore the wrapper off.他迫不及待地撕开了包装。◆ (BrE) The floor was covered with sweet wrappers.地板上都是糖纸。◆ (NAmE) candy wrappers糖纸■casing / /ˈkeɪsɪŋ/ / [countable] a cover that protects sth, especially one made of a hard substance such as wood or hard plastic（尤指木板或硬塑料等硬物制成的）箱，盒，盖◆The printer has an attractive black casing.这台打印机有一个好看的黑壳。■wrapping [uncountable] ( wrappings [plural]) paper, plastic, etc. that is used for wrapping sth in, in order to protect it包装材料；包装纸；包装塑料◆She tore the cellophane wrapping off the box.她把包装盒子的玻璃纸撕了下来。◆The dress still hung in its plastic wrappings.那条连衣裙还套着塑料包装挂着呢。◆I bought several rolls of wrapping paper.我买了几卷包装纸。■sheath / /ʃiːθ/ / (pluralsheaths / /ʃiːðz/ / ) [countable] a cover that fits closely around sth to protect it, especially sth such as a knife or other weapon or tool护层；（刀、剑等的）鞘；（工具的）套◆He put the dagger back in its sheath.他把短剑插回鞘中。◆The cable is protected by a strong plastic sheath.电缆外层有结实的塑料护皮保护着。■tarpaulin /tɑːˈpɔːlɪn; NAmEtɑːrˈpɔːlɪn/ [countable] a large sheet made of a heavy waterproof material, used to cover things to keep rain or water off柏油帆布；（防水）油布◆The car was covered with a black tarpaulin.那辆车用黑色的油布盖着。■tarp [countable] (NAmE, informal) a tarpaulin柏油帆布；（防水）油布◆The men huddled under the tarp.那些人在防水油布下挤作一团。■covering [uncountable, countable] a material that is used to cover sth, especially sth such as floors or walls in order to protect them or make them look attractive（尤指用来保护或装饰地板或墙壁等的）覆盖物◆The cell had bare walls and no floor covering.那小房间的墙光秃秃的，地板上也没有覆盖物。■wrap [uncountable] (usually in compounds通常用于构成复合词) paper, plastic, etc. that is used for wrapping sth in, in order to protect it or make it look attractive包裹（或包装）材料◆We stock a wide range of cards and gift wrap.我们备有式样繁多的贺卡和礼品包装材料。◆Use bubble wrap(= a sheet of plastic full of small bubbles of air) to pack things which might get broken.用气泡膜把易碎物品包起来。◆ (NAmE) Just cover the plate of sandwiches with plastic wrap(= a thin transparent plastic material that sticks to a surface and to itself).把那一碟三明治用保鲜膜盖上。ⓘ The British English word for plastic wrap is cling film.英式英语中用cling film来指保鲜膜。