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In virtually all types of tissue in every animal species, dioxin induces the production of enzymes that are the organism’s ( trying to metabolize, or render harmless, the chemical that is irritating it.)
官方解释:While chemical that is irritating it and chemical irritating it are both grammatically correct and could be appropriate in some usages, they are excessively wordy for this context. 就是说the chemical that is irritating it是对的,只是不简洁, 那it 代指什么呢? |
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