broken-down
adj. 状况很差的；出故障的；衰弱的
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- My damn car has broken down!
我的混帐汽车坏了!收藏 - I do seem to be a broken-down monarch of some kind, like my old man, the princely immigrant and ineffectual bootlegger.
我倒有点儿象个落魄的王孙，像我家的老头子，一个气派十足的移民，一个经营无方的私酒商。收藏 - However, cellulose acetate breaks down at high temperatures, is pH sensitive (can only operate between pH 3 to 6), and is broken down by C ions.
然而,纤维素醋酸酯在高温时降解,对pH值敏感(只能在pH值为3至6之间操作),也可被碳离子降解。收藏 - It can be broken down evenly into optical methods and electromagnetic, or nonoptical, spectroscopies.
光谱仪可以大致地分为光学类与电磁类(即非光学类)。收藏 - To become broken down into components;disintegrate.
裂解被分解成组成部分;分裂，分解收藏
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