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- 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。
- She has not taken since her first vaccination. 自从她第一次接种以来，疫苗一直没有发过。
- Sometimes pups become ill after their first vaccination. 有时犬只会在首次接种疫苗后发病。
- When were people first vaccinated against measles? 人们首次接种防麻疹疫苗是什么时候?
- On days 7, 14, 21, 28, 35, 42 and 49 after the first vaccination, 8 chickens' bloods from each group were sampled for determination of serum ND-HI antibody titer by micro-method. 各组分别于首次免疫后第7、14、21、28、35、42和49天随机抽取8羽翼下静脉采血，分离血清，用微量法测定新城疫血凝抑制(HI)抗体效价；
- Most of us can't remember our first vaccination, but chances are, it was a shot filled with a crippled microbe or perhaps parts of the bug's proteins--just enough to produce a mild infection but not the full-blown disease. 我们大多数人都记不得自己的第一次接种，但极有可能是注射一针失去致病能力的微生物或者可能是病菌的蛋白质的某些部分，接种的结果足够引起一次不严重的感染却又不引起真正的疾
- Tan says the WHO suggests health care workers should be among the first vaccinated, because they are on the front-line of fighting the virus. 陈蔚云说，世卫组织建议健康医疗工作者应该首先接种疫苗，因为他们处于抗击这种病毒的前线。
- Wyeth, an American firm, led the charge with Prevnar, a pneumococcal vaccine, which in 2004 became the first vaccine to reach a billion dollars in sales. 美国惠氏（Wyeth）公司率先对定价模式进行了改革。2004年它推出的肺炎球菌疫苗Prevnar成为首个销售额突破10亿美元的疫苗产品。
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里，重音在第一个音节上。,在＂mother＂这一字里，重音在第一个音节上。
- His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。
- Passengers with cars must embark first. 带汽车的乘客必须先上船。
- Bob teed off on the new pitcher's first delivery. 鲍勃猛击那新投手所投的第一个球。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- She struck up the first carol on the grand piano. 她在那架大钢琴上演奏起第一支颂歌。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- They drew lots for the right to go first. 他们抓阄儿决定谁先走。
