Rickettsemia
[医] 立克次氏体血症
🗣️ 情景例句
We need to know about your history with animals.
我们要了解你以前与动物的关连。
Never cast your pearls before swine.
不要把珍贵之物送给不识货的人；勿明珠暗投；勿对牛弹琴。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，