词根：brace = two arms , 表示“两臂”

brace v. 支持，使坚固的 n. 支持物

bracelet n. 手镯（brace+let小东西→带在手上的小东西→手镯）

embrace v. 拥抱；包括（em进入+brace→进入两臂→拥抱）

词根：braid = twist, 表示“扭”

braid v. 编成辫子

upbraid v. 叱骂，谴责（up向上+braid→向上扭→扭住不放→叱骂）

embroidery n. 刺绣（em使+broid[=braid]+ery→使[线]扭在一起→刺绣）

词根：brack = vomit （呕）

brackish a. 令人恶心的

词根词缀：brachi-, brachio-

【来源及含义】Greek: arm [especially the upper arm from the shoulder to the elbow]

【同源单词】abrachia, abrachia, abrachiocephalia, abrachiocephalus, acephalobrachia, antebrachial

词根词缀：brachyo-, brachy-, -brachy, -brach

【来源及含义】Greek: short, shortness, small [also expressed as "slow"]

【相关描述】Used in the sense of "abnormally small, short".

【同源单词】amphibrach, brachycardia, brachycephalic, brachycephalous, brachycephaly, brachydactyl

词根词缀：bracte-, bract-

【来源及含义】Latin: thin plate

【同源单词】bract, bracteomania, ebracteate, ebracteolate, tribracteate

词根词缀：brady-

【来源及含义】Greek: slow, slowness; delayed, tardy; a prefix used in the sense of being "abnormally slow"

【同源单词】bradyacusia, bradyarrhythmia, bradyarthria, bradyauxesis, bradycardia, bradycardiac

词根词缀：branchio-, branchi-

【来源及含义】Greek: gills

【同源单词】abranchial, abranchiate, Branchiosaurus, calyptobranchiate, cryptobranchiate, inferobranchiate

词根词缀：calibra-, calibr-, caliber-

【来源及含义】French: degree of merit or importance; diameter of a bullet, cannon-ball, etc.; instrument for measuring the thickness, width, or distance through the center of a tube

【同源单词】caliber, calibrate, calibrated, calibrated airspeed, calibrated altitude, calibrating tank

词根词缀：libra-, liber-, libri-

【来源及含义】Latin: balance; to be balanced; to make even; Roman pound

【同源单词】acid-base balance, balance, balance, deliberate, deliberated, deliberately