Pertussis
[ pə'tʌsis ]
其它 Other
n. 百日咳;
📝 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.
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。
Good! That's done. Now the tree must be tied to the stick.
好的！做好了。现在该把树系在木棍上了。