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, cough, bronchitis, asthma and malaria.

能促进新陈代谢、强化骨骼，对胃部良好的保健功效。可消滞气，对咳嗽、支气管炎、气喘、疟疾亦有效果。

3. In this paper, experiments on

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in fire pit have been carried out with a horizontal cellulose packed bed and a perpendicular one, respectively.

为了分析燃池内的燃烧过程，设计制造了水平和竖直的纤维质燃料阴燃实验台，进行了阴燃过程气体成分的实验分析。

……………………………………………………………………

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英汉解释

n. 退步；下坡

adj. 下坡的

adv. 下坡地

vt. 使降级（过去式downgrade">downgrade">downgrade">downgraded，过去分词downgrade">downgrade">downgrade">downgraded，现在分词downgrading，第三人称单数downgrade">downgrade">downgrade">downgrades）；小看

反义词

v.

upgrade

参考例句

1. The general manager

downgrade">downgrade">downgrade">downgrade

d the employee.

总经理将那名雇员降职。

2. Before long, the industry could face its own multi-notch

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.

不久后，该行业可能面临它本身大幅度的降级。