Pertussis（pə'tʌsis）：n. - 完整释义与助记

📝 例句

The infant receives three injections of pertussis vaccine at one - month intervals.

婴儿以一个月为间隔,接受三次百日咳疫苗的注射.

tradition n. 传统;惯例;[宗]经外传说;[法]移交，引渡;

incentive n. 动机;刺激;诱因;鼓励; adj. 刺激性的;鼓励性质的;

medulla n. （拉丁语）骨髓;

intake n. 吸入，进气;（液体等）进入口;摄入，摄取;纳入（数）量;

scourge n. 天灾，灾难;鞭子;苦难的根源; vt. 鞭打;重惩，重责;使痛苦;严惩;

signify vt. 表示…的意思;意味;预示; vi. 具有重要性，要紧;辱骂;

cataract n. 大瀑布，急瀑布;[医]白内障;暴雨，洪水;奔流; v. 像瀑布似地注流;

hepatic adj. 肝脏的，治肝病的，肝脏色的;

Congratulations! The girls did very well, too.

祝贺你们！女同学也做得很好。

But we won't have our big family get-together until Christmas.

但我们要等到圣诞节才会有家庭大团圆。

The group of girls all moved on and had a good drink of tea together, from a modern thermos!

这一群女孩一块儿去享受了一番茶水。她们用得是现代的热水瓶！

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