Bacillus nitrificans
[医] 硝化菌
🧩 词语组成解析
n. 杆菌, 细菌\\n[医] 芽胞杆菌属, 杆菌属
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
How big is your house?
你的房子有多大？
Around the year 1600 the first horses were brought to the American continent by the Spanish.
大约在1600年的时候，西班牙人把第一批马匹带来美洲大陆。