Bacterium abortus equi
[医] 马流产杆菌
🧩 词语组成解析
n. 流产胎\\n[医] 流产胎(体重小于500克)
🗣️ 情景例句
saying he was going to the railroad station
说他要去火车站
No,it isn't.
不，不是。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。