熏黄
熏黄-
她烟抽得很厉害，难怪她的手指都熏黄了。
No wonder her fingers are stained brown , she smokes like a chimney .
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他吸了那么多年烟，牙齿都被永久地熏黄了。
He had smoked for so many years that his teeth were permanently stained yellow .
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吸烟不仅能熏黄牙齿，还会影响免疫系统，引起牙齿、骨质疏松的牙龈疾病。
Smoking not only stains the teeth , it affects the immune system and causes gum disease which can lead to bone and tooth loss .