The US Department of Labor currently lists 16 countries that use children to produce tobacco leaf.
美国劳工部目前列出了 16 个使用儿童生产烟叶的国家。
Tobacco leaf
原声例句
TED演讲（音频版） 2018年7月合集
英语百科
Tobacco
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Tobacco is a product prepared from the leaves of the tobacco plant by curing them. The plant is part of the genus Nicotiana and of the Solanaceae (nightshade) family. While more than 70 species of tobacco are known, the chief commercial crop is N. tabacum. The more potent variant N. rustica is also used around the world.
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