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1.e-cigs 电子香烟
例句：Most estimates show that you can save as much as $1000 a year by switching to smokeless e-cigs.
粗略估计，电子烟可以每年为吸烟者节约大概1000美金。
2.smoke cannabis 吸食大麻
例句：We all used to smoke cannabis in school, but this was hard-core.
虽然我们在学校都会抽些大麻，但这实在是危险物品。
3.assistant professor 副教授
例句：Miss Liu was a teaching assistant, so marrying an associate professor should be quite enough.
刘小姐是个助教，嫁个副教授已经很不错了。
4.a dose of 一剂（药）;一服
例句：He measured out a dose of medicine.
他配出了一服药。
