bacterium造句
2024年06月16日 15:30:37
They found a
bacterium visible to the human eye.
他們發(fā)現(xiàn)了一種肉眼可見的細(xì)菌。
They have isolated the
bacterium in its pure form.
他們已經(jīng)把細(xì)菌分離出來,使它們處于較純的狀態(tài).
A
bacterium is identified as the cause for his duodenal ulcer.
一種細(xì)菌被斷定為造成他十二指腸潰瘍的根源.