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- The ducklings plumped into the water. 小鸭们突然跳进水中。
- Immunized ducklings 免疫鸭
- Have you been immunized (against smallpox) yet? 你接种过(抗天花)疫苗没有?
- The ducklings have shed their yellow down. 小鸭褪了黄毛。
- The doctor immunized them against diphtheria. 医生使他们免受白喉的威胁。
- Cheep, cheep!@ the ducklings said. “吱，吱
- Uh, where did you say those ducklings were? 呃，你说的那些小鸭子在哪里?
- Ducklings: Quack, quack, quack. Walk like us! 鸭子们：呷，呷，呷。象我们这样走!
- The mother duck shows her ducklings their home. 母鸭把他们的家指给小鸭子们看。
- The ducklings are swimming close to their mother. 小鸭子紧挨着母鸭游水。
- Goat:They are duck and ducklings. 山羊:它们是鸭子和小鸭子.
- The ducklings quickly jump in, too. 小鸭子们也很快地跳入水中。
- Some ducklings are swimming in the pond. 一些小鸭子正在池塘里游泳。
- Children have been routinely immunized against polio since 1958. 自从1958 年以来，儿童都按照常规接种防治小儿麻痹症的疫苗。
- The ducklings were spirited away without anybody s knowledge. 这些小鸭子人不知鬼不觉地被偷走了。
- In 20 immunized Wistar rats,EAD were produced in 16 rats (80%). 免疫20只Wistar大鼠，16只发生EAD（80%25）。
- A flock of little ducklings are swimming about in the pond. 一群小鸭正在池中四处游。
- Methods:Pifty four URSA women were immunized with lymphocytes. 方法 :对 5 4例原因不明性反复自然流产患者进行淋巴细胞免疫治疗。
- But Congress stepped in and immunized the telcos from the lawsuits. 但国会介入并使得电讯公司免于该诉讼。
- Drove she ducklings to the millpond, every morning just at nine. 她把鸭子赶入池中，每天早上在九点钟。
