用楔子把两个东西楔紧. keep two things separate with a ~ 用楔子把两个东西楔(劈)开. ②楔形(物);坡形(物); a ~ of cake 三角蛋糕;楔形蛋糕. seats arranged in a ~ 坡形排列的座位. shoes with ~ heels 坡底鞋;楔形跟底鞋. vt. ①楔入;楔开;楔紧; ~ a door open (shut) 把门楔开(紧). ~ packing into a crack 将填料楔入缝隙. ②(人等)插入;挤入; ~ oneself into a crowd 挤入人群. ③将(人等)挤紧,挤得难以动弹; be ~d between two persons 被紧紧地夹在两人之间. ~ sb in (into) the corner 把某人挤在角落里动弹不得. wisp n. ①(一)捆,(一)束,(一)绺,(一)缕,(一)条; a ~ of hair 一绺头发. a ~ of smoke 一缕烟. a ~ of wheat 一捆小麦. ~s of grass 草丛. ②小物体;纤弱的人; a ~ of a girl 纤弱女子. ③鬼火,磷火 xanthophyll 叶黄素,叶黄质,叶黄二醇,胡萝卜醇 xeroderma 干皮病,皮肤干燥病 xerophthalmia 干眼症,干眼病,眼干燥病,眼干燥 xerosis 干燥病 xerostomia 口干燥(症) XYLOCAINE Lidocaine 利多卡因 zonular 小带的,带状的 zonule (拉zonula)小带 zoster 带状疱疹 zygote 合子,受精卵,接合子
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