
base
词源
源自拉丁语 'basis',意为'基础',通过古法语 'base' 进入英语。
noun
❶ 指某物的最底部或支撑部分,是物体站立或固定的基础部分。
“The lamp has a heavy base to keep it stable.”
(这盏灯有一个沉重的底座以保持稳定。)
“The base of the mountain was covered in dense forest.”
(山脚下覆盖着茂密的森林。)
❶ 指某个活动或组织的中心地点,通常是主要运作或指挥的地方。
“The company's base is in New York.”
(公司的总部设在纽约。)
“The military base was heavily guarded.”
(这个军事基地戒备森严。)
❶ 在化学中,指能够与酸反应形成盐的物质,通常具有苦味和滑腻感。
“Sodium hydroxide is a strong base.”
(氢氧化钠是一种强碱。)
“The solution turned red litmus paper blue, indicating it was a base.”
(溶液使红色石蕊试纸变蓝,表明它是一种碱。)
verb
❶ 将某事物建立在特定基础或原则上,或以某地为活动中心。
“She based her decision on careful research.”
(她的决定是基于仔细的研究。)
“The company is based in London.”
(这家公司总部设在伦敦。)
常见短语
base on — 以...为基础或依据,表示某事物是根据另一事物发展或建立的。
“This theory is based on years of scientific research.”
(这个理论是基于多年的科学研究。)
off base — 错误的或不准确的,常用于描述观点或判断不正确的情况。
“His assumptions about the project were completely off base.”
(他对这个项目的假设完全错了。)
touch base — 与某人取得联系或沟通,通常指短暂接触以更新信息。
“Let's touch base next week to discuss the progress.”
(我们下周联系一下讨论进展。)