
好词典

源自中古英语的 casten(投掷、撒播),因细砂糖似被撒播的颗粒,而脚轮则与「滚动」动作相关。
❶ 指带有小轮子的装置,通常安装在家具或设备底部,便于移动。常见于办公椅、推车等物品。
“The office chair has smooth-rolling casters for easy movement.”
(这把办公椅装有顺滑的脚轮,便于移动。)
“Replace the broken caster so the shopping cart can roll properly.”
(更换损坏的脚轮,让购物车能正常滚动。)
❶ 在烹饪中,指细白砂糖的英国说法(同caster sugar),因其颗粒细小如通过筛子(caster)而得名。
“Add 100g of caster sugar to the cake mixture.”
(向蛋糕面糊中加入100克细砂糖。)
“Caster sugar dissolves faster than granulated sugar.”
(细砂糖比粗砂糖溶解更快。)
caster wheel — 特指带有旋转机构的脚轮,常见于需要灵活转向的推车或家具。
“The library cart has four caster wheels for maneuverability.”
(图书馆推车装有四个万向轮以便灵活移动。)