托福單詞degradation什么意思-degradation詞組短語(yǔ)_例句_近義詞

degradation什么意思

n.丟臉，落魄，侮辱；損害，惡化，衰退；降解；陵夷，剝蝕

[復(fù)數(shù)degradations]

degradation詞組短語(yǔ)

environmental degradation:環(huán)境退化；環(huán)境質(zhì)量下降

degradation mechanism:老化機(jī)構(gòu)；降解機(jī)制

thermal degradation:[化]熱降解

microbial degradation:微生物降解（作用）

soil degradation:土壤退化；土壤破壞

degradation近義詞

[n.]change of state,humiliation

degradation例句

1.Hydroxymethylfurfural(5-HMF)is a degradation product of sugars.

羥甲基糠醛（5-HMF）是糖的降解產(chǎn)物。

2.Thus algae have a promotional function in photo degradation of phorate-and-phoxim.

因此,藻類對(duì)湖泊水體中甲拌辛的光降解有促進(jìn)作用。

3.Lubrification degradation of low sulfur diesel oil causes oil pump abrasion of engine.

由于低硫低芳烴柴油的潤(rùn)滑性能下降,會(huì)導(dǎo)致發(fā)動(dòng)機(jī)的油泵磨損。

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