相关单词：vaccine
vaccine解释：n.牛痘苗，疫苗；adj.牛痘的，疫苗的
vaccine例句：
The polio vaccine has saved millions of lives.脊髓灰质炎疫苗挽救了数以百万计的生命。
She takes a vaccine against influenza every fall.她每年秋季接种流感疫苗。
相关单词：vaccines
vaccines解释：疫苗，痘苗( vaccine的名词复数 )
vaccines例句：
His team are at the forefront of scientific research into vaccines. 他的小组处于疫苗科研的最前沿。
The vaccines were kept cool in refrigerators. 疫苗放在冰箱中冷藏。
相关单词：supervision
supervision解释：n.监督，管理
supervision例句：
The work was done under my supervision.这项工作是在我的监督之下完成的。
The old man's will was executed under the personal supervision of the lawyer.老人的遗嘱是在律师的亲自监督下执行的。
相关单词：procurement
procurement解释：n.采购；获得
procurement例句：
He is in charge of the procurement of materials.他负责物资的采购。
More and more,human food procurement came to have a dominant effect on their evolution.人类获取食物愈来愈显著地影响到人类的进化。
相关单词：transparent
transparent解释：adj.明显的，无疑的；透明的
transparent例句：
The water is so transparent that we can see the fishes swimming.水清澈透明，可以看到鱼儿游来游去。
The window glass is transparent.窗玻璃是透明的。
相关单词：improperly
improperly解释：不正确地，不适当地
improperly例句：
Of course it was acting improperly. 这样做就是不对嘛！
He is trying to improperly influence a witness. 他在试图误导证人。
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