1. Many of the strongly opportunistic plants are the common weeds of fields and gardens. 许多非常机会主义的植物都是田野和花园中常见的杂草。
2. These kinds of systems are primarily designed to protect against the sort of opportunistic smash and grab attack that makes up the majority of burglaries. 这类系统主要用来防止投机取巧和掠夺,这造成了大多数入室盗窃。
3. Many of the party's members joined only for opportunistic reasons. 这个政党的许多成员入党纯粹是出于投机。
4. Treatment of HIV-related opportunistic infections. 治疗HIV相关的机会感染。
5. Prevention of HIV-related opportunistic infections. 预防HIV相关机会感染。