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| spiral downward | |||
nosedive; drop through the floor (e.g. "The cost of whole genome sequencing – mapping the DNA code of any human being – is dropping through the floor, from £750m for the first-ever sequence to probably as little as £1,000 soon."  guardian.co.uk Aiduza) | |||
| be in the tank (VadZ) | |||
| dip down | |||
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| plummet (okh_m) | |||
| резко снижаться: 12 短语, 4 学科 |
| 一般 | 2 |
| 媒体 | 1 |
| 航空 | 3 |
| 马卡罗夫 | 6 |