concentrations
[kɒnsənt'reɪʃnz]
n.
集中( concentration的名词复数 );
专心;
关注;
浓度;
例句:
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In strong concentrations it can cause nausea and vomiting.
浓度过高会导致恶心呕吐。
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Large concentrations of capital were in the hands of merchants.
大量资本集中在商人手里.
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In heavy concentrations, ozone is irritating to the eyes, nose and throat.
高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。
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You are actually measuring the concentrations in the body.
来自NEWYORKER
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He added that it was not toxic at low concentrations.
来自THETIMES
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Others were found at similar concentrations as homes.
来自SA