记忆方法
双解例句
小知识
What's basic is what's essential, at the root or base of things. If you've got a basic understanding of differential equations, you can handle simple problems but might get tripped up by more difficult ones.
You can also speak of the basics. If your kitchen is outfitted with just the basics, you've got some bowls and pots and pans, but you probably don't have an apple corer or a candy thermometer. If you're hitchhiking across the Gobi Desert, you'll want to have the basics of conversational Mongolian down. You've probably heard basic in chemistry class, too: it's the opposite of acidic. A basic solution has a pH greater than 7 and turns litmus paper blue.
实用短语
常用短语
单词用法
basic带有起点性质,可用来修饰抽象概念,也可用来修饰具体事物,可用作定语、表语,常与to连用。
basic:普通用词,指明确、具体的基础或起点。
essential:语气比basic和fundamental强,强调必不可少,暗含某物如缺少某部分,则失去本质特征的意味。
fundamental:书面用词,不如basic使用广泛,侧重指作为基础、根本的抽象的事物。
radical:着重指事物的根本或其来源。
vital:正式用词,侧重指维持生命、活力必不可少的,或生死攸关的。
basic theory基本理论
basic level基本水平
basic knowledge基础知识,基本知识
词根词缀
词根: bas
=low/foundation,表示”低下,基础”
adj.
basic 基本的,基础的bas低下,基础+ic形容词结尾→adj.基本的,基础的
n.
basin 盆,脸盆;内海,盆地bas低+in→低的地方
basis 基础,根据bas低下,基础+is→n.基础,根据
bass 男低音[歌手];低音乐器;低音大提琴bas低下,基础+s表示sound→n.男低音[歌手];低音乐器;低音大提琴
bassoon 低音管,巴松bass=bas低下,基础+oon表名词→n.低音管,巴松
同义词辨析
这些形容词均有”基本的,基础的”之意。
- basic: 普通用词,指明确、具体的基础或起点。
- essential: 语气比basic和fundamental强,强调必不可少,暗含某物如缺少某部分,则失去本质特征的意味。
- fundamental: 书面用词,不如basic使用广泛,侧重指作为基础、根本的抽象的事物。
- radical: 着重指事物的根本或其来源。
- vital: 正式用词,侧重指维持生命、活力必不可少的,或生死攸关的。
同义词
fundamental / necessary / first / essential / primary / underlying / vital
classic / constitutional / underlying / organic / prime / primitive / elementary / virtual / component / preliminary / fundamental / essential / original
反义词
last / unnecessary / trivial / nonessential