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1.So, it really ratchets up the strength of our confidence that we've got something really related to the air pollution here.
ratchet up 逐渐升高；略微调高
He fears inflation will ratchet up as the year ends.
他担心通胀会随着年底临近而只升不降。
Audiences' expectations are ratcheted up as they are exposed to high-budget productions.
观众看过高成本影片后期望会相应上升。
