passive cigarette smoking被动吸烟
passive smoking rat被动吸烟大鼠
smoking and passive smoking吸烟和被动吸烟
passive smoking group被动吸烟儿童
childhood passive smoking儿童被动吸烟
passive smoking rate被动吸烟率
smoking passive吸烟
Method: Pregnant rat model with IUGR was established using passive smoking method.
方法：被动吸烟法建立IUGR孕鼠模型。
参考来源 - 自组活血补气方防治胎儿宫内发育迟缓的疗效和机制N-UNCOUNT（不可数名词） Passive smoking involves breathing in the smoke from other people's cigarettes because you happen to be near them. 被动吸烟
...the dangers of passive smoking.
...被动吸烟的危害。