詞匯精選:constant的用法和辨析
一、詳細釋義:
adj.
固定的,不變的
例句:
This car factory's constant aim is to strike roots in China and face the world.
立足中國,面向世界是本汽車制造廠的永遠不變的目標(biāo)。
例句:
The birth rate in this city is almost constant.
這城市的出生率幾乎是不變的。
不停的,接連不斷的,持續(xù)的
例句:
I was fed up with my boss' constant complaints.
對于老板不停的抱怨,我已經(jīng)聽得煩不勝煩。
例句:
He hates his wife's constant nagging.
他討厭他妻子嘮叨不休。
【書】忠誠的,忠貞不渝的
例句:
He's a man constant in adherence to his ideals.
他是個忠于自己的理想不變的人。
例句:
He remained constant till death.
他至死忠貞不渝。
n.
【數(shù)】【物】常數(shù),衡量 [C]
例句:
The spring constant is replaced by the weighting function.
彈簧常數(shù)用權(quán)重函數(shù)代替。
例句:
The speed of light is an important constant.
光速是一個重要的常數(shù)。
不變的事物 [C]
二、詞義辨析:
continual,continuous,successive,constant,persistent
這些形容詞均有“連續(xù)的”、“不斷的”之意。 continual強調(diào)重復(fù)或持續(xù)發(fā)生,但連續(xù)之間允許有間斷。 continuous語意最強,強調(diào)在時間和空間上沒有間斷。 successive強調(diào)事物一個接一個地發(fā)生,無間斷。 constant多指習(xí)慣性的重復(fù)和不變的持續(xù)。 persistent普通用詞,可指不懈的努力,也可指任何連續(xù)不斷或重復(fù)出現(xiàn)的事物。
三、相關(guān)短語:
gas constant
n. 氣體常數(shù)
solar constant
太陽常數(shù)(指地球接收太陽國徽能的通量)
constant of gravitation
引力常數(shù),重力場常數(shù)
cosmological constant
宇宙學(xué)常數(shù),宇宙學(xué)恒量
dissociation constant
分離常數(shù),解離常數(shù),電離常數(shù),離解常數(shù)
equilibrium constant
平衡常數(shù)
gravitational constant
引力常數(shù),重力常數(shù)
law of constant proportion
定比定律
time constant
時間常數(shù)
universal gas constant
通用氣體常數(shù),普通氣體常數(shù)
constant quantity
n. 1.恒量,常數(shù)
constant of proportionality
【建】 比例常數(shù)
四、參考例句:
Ariel needs constant supervision.
艾莉兒,需要一個人長期的監(jiān)督。
Babies need constant attention.
嬰兒一刻也離不開人。
Matter is in constant motion and constant change.
物質(zhì)總是在不斷運動,不斷變化的。
The machinery requires constant maintenance.
這些機器需要經(jīng)常保養(yǎng)維修。
He remained constant till death.
他至死忠貞不渝。
Her constant nagging provoked him.
她不斷地嘮叨激怒了他。
Constant calls disturbed her work.
應(yīng)接不暇的電話妨礙了她的工作。
He matured his novel by constant revision.
他不斷修改自己的小說使之完善。
Constant friction caused the rope to break.
不斷摩擦使繩索斷裂。
She was wearied by the constant noise.
她很厭煩那些沒完沒了的噪雜聲。
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