在那时，美国男性每年大约吸150根大雪茄，是现在的三倍。
At the time, American males smoked around 150 large cigars every year, three times more than at present.
研究表明，吸一根含薄荷醇的烟比吸一根一般的烟所摄取的一氧化碳，尼古丁和可替宁量更多。
Research has shown that menthol cigarettes may provide higher levels of carbon monoxide, nicotine and cotinine per cigarette smoked than regular cigarettes.
吸一根烟不会抹杀以往所取得的进步。
目的研究重力和粘度因素对模拟根管中标准纸尖吸液性能的影响。
Objective To investigate the effect of gravity and fluid viscosity on absorbent properties of standard paper points in simulant root canals in vitro.
目的研究模拟根管中标准纸尖的吸液性能。
Objective To study the absorbent properties of standard paper point in simulant root canal in vitro.
茶花害虫有49种，其中食叶的19种，蛀干和啃食枝皮的7种，吸汁的21种，食害苗根的2种。
Of the 49 species found on camellia, 19 are leaf-eating, 7 stem-boring and bark-gnawing, 21 sap-sucking and 2 root-eating.
可以用一根吸管吸柠檬汁。
调查显示，澳大利亚烟民平均每人每天吸13.8根香烟，合每人每年吸5037根。
According to the survey, Australian smokers light up an average of 13.8 cigarettes every day or 5, 037 cigarettes a year.
调查显示，澳大利亚烟民平均每人每天吸13.8根香烟，合每人每年吸5037根。
According to the survey, Australian smokers light up an average of 13.8 cigarettes every day or 5,037 cigarettes a year.
调查显示，澳大利亚烟民平均每人每天吸13.8根香烟，合每人每年吸5037根。
According to the survey, Australian smokers light up an average of 13.8 cigarettes every day or 5,037 cigarettes a year.
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