知識擴(kuò)展 詞語辨析
variable,variegated,various。
這三個詞都可以表示“多樣的”。它們的區(qū)別是:various的意思是“各種各樣的”;variable指“不穩(wěn)定的,易變的,時好時壞的,不同種類的”;variegated的意思是“雜色的,多樣化的”,多用來修飾不同顏色的東西,如花草,樹木等。例如:His mood is variable.他的情緒反復(fù)無常。This specimen is richly variegated in color.這件標(biāo)本上有很多顏色。
詞源詞綴
來自vary,改變,多變。-vari-變化+-able形容詞詞尾,被動意義=來自vary,改變,多變。
詞源考究
來自vary,改變,多變。
variable 記憶方法
variable相關(guān)的詞根或詞綴是:
vari
variable易變的adj.
vari 變化 + able 能…的 → 易變的
中文詞源:
variable 多變的
來自vary,改變,多變。
variable 精選例句
1、 The potassium content of foodstuffs is very variable.
食品中鉀的含量是多變的。
2、 The temperature remained constant while pressure was a variable in the experiment.
做這實(shí)驗時溫度保持不變,但壓力可變。
1、 E) First, they explain that if a given variable is playing a role in affecting wellbeing, then we should expect any change in that variable to correlate with the observed changes in wellbeing.
1、 Even though there is plenty of evidence that the quality of the teachers is the most important variable, teachers’ unions have fought against getting rid of bad ones and promoting good ones.