
好词典

源自中古英语cote(外套),最终来自古法语cote,与拉丁语coacta(紧身衣)相关。动词用法始于14世纪,指为某物穿上外衣。
❶ 指物体表面覆盖了一层物质,可能是油漆、糖霜、金属等,用于保护、装饰或改变表面特性。
“The pills are sugar-coated to make them easier to swallow.”
(这些药丸裹了一层糖衣,使它们更容易吞咽。)
“The wire is coated with plastic to prevent electric shocks.”
(电线外面包了一层塑料,防止触电。)
❶ 给某物表面涂上或覆盖一层物质,通常通过涂抹、喷洒或电镀等方式实现。
“He coated the wood with varnish to protect it.”
(他给木头涂上清漆以保护它。)
“The machine coats metal parts with a thin layer of gold.”
(这台机器给金属零件镀上一层薄薄的金。)
sugar-coated — 字面指裹了糖的,比喻用甜言蜜语或美好表象掩饰令人不快的事实。
“He gave me a sugar-coated version of the bad news.”
(他用委婉的方式告诉我这个坏消息。)
coated tongue — 医学用语,指舌苔厚腻,可能因疾病或口腔卫生问题导致。
“A coated tongue can be a sign of dehydration.”
(舌苔厚可能是脱水的征兆。)