台湾籍旅美老师今天交给我们的句子是：

Due to its safer nature, marijuana is often suggested as an alternative to alcohol. However, heavy use can be harmful. Since pot smoke is chemically very similar to tobacco smoke, heavy pot smokers are at risk for some of the same health effects as cigarette smokers, like bronchitis and other respiratory illnesses.
由于大麻本质上比酒精饮料安全，因此通常会建议拿它来取代酒，但吸食过多可能会对身体有害。因为吸大麻与抽烟从化学效应上来说非常类似，所以重度的大麻吸食者很有可能会遭遇某些与吸烟者相同的健康问题，像支气管炎和其他呼吸道的疾病。

学习重点：

1.marijuana 大麻
marijuana (n.) 大麻

2.suggest 建议，提议
suggest (v.) 建议，提议
suggestion (n.) 建议，提议

3.alternative 替代的；供选择的
alternative (n.) 替代的；供选择的
alternate (v.) 交替，轮流
alternate (adj.) 交替的，轮流的，间隔的

4.alcohol 酒精
alcohol (n.) 酒精
alcoholic (n.) 嗜酒者

5.tobacco 烟草（制品）
tobacco (n.) 烟草（制品）

6.respiratory 呼吸的
respiratory (adj.) 呼吸的
respire (v.) 呼吸