casingKK [ˋkesɪŋ] /ˈkeɪsɪŋ/發音名詞1外殼、機殼、保護套The phone's plastic casing cracked when it hit the floor.手機的塑膠外殼掉到地上時裂開了。2腸衣Traditional sausages use natural casings made from animal intestines.傳統香腸使用動物腸子製成的天然腸衣。3門框、窗框He painted the window casing white to match the walls.他把窗框漆成白色，好搭配牆面。4外胎The tire casing was worn down to the fabric layer.輪胎外胎已經磨到露出纖維層。5套管Workers lowered steel casing into the newly drilled well.工人把鋼製套管放進剛鑽好的井裡。動詞1勘查、探查口語They spent a week casing the bank before the robbery.他們在搶案前花了一週勘查那間銀行。