Also children can be exposed to lead if they’re engaged in hazardous mining activities in developing countries.
如果儿童在发展中国家从事危险的采矿活动, 他们也可能接触到铅。
单词 | hazardous activity |
释义 |
hazardous activity
原声例句
VOA Standard 2013年10月合集 Also children can be exposed to lead if they’re engaged in hazardous mining activities in developing countries. 如果儿童在发展中国家从事危险的采矿活动, 他们也可能接触到铅。 |
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