1. receive vt. 收到; 接到
例句:Did you receive my request?
你收到了我的请求了吗?
2. prevent vt.预防; 阻碍
例句:Past hurts prevent future relationships.
过去的伤害阻碍进一步的关系。
3. vaccination n.<医>种痘,接种
例句:She hasn't taken since her first vaccination.
自从她第一次接种以来,疫苗一直没有发过。
4. suggest vt.建议,提议
例句:What did you suggest to the manager?
你向经理作何建议?
5. strengthen vt.加强,巩固
例句:Laugh to strengthen your immune system.
微笑能增强你的免疫系统。
6. positive adj.积极的; 确实的,肯定的
例句:It is more active and positive than mere non-disclosure.
与不告知相比较,这更为积极主动。