The amount of BPA the analysis found on the feather-weight scraps of paper were 250 to 1,000 times greater than other, more widely criticized sources carrying the toxin.
分析人员发现这种小小纸片上的BPA含量是之前那些饱受指责的含毒源的含量的250到1000倍。
The amount of BPA the analysis found on the feather-weight scraps of paper were 250 to 1, 000 times greater than other, more widely criticized sources carrying the toxin.
分析人员发现这种小小纸片上的BPA含量是之前那些饱受指责的含毒源的含量的250到1000倍。
Yet he Chronicles his travels with a wearying feather-light jocularity prizing one-liners over lucid analysis.
但他记录旅行的笔法却是乏味的、轻佻的滑稽，过多的俏皮话替代了清晰的分析。
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