关于2Germs的百科

• 完型填空2Germs(细菌)areeverywhere.Theyareverysmallandyou　1　se...

• 问题详情：完型填空2Germs(细菌)areeverywhere.Theyareverysmallandyou1seethem.Theyareliketheseedsofplants,buttheyare2.Therecouldbehundredsofthemonthepointofaneedle(针).Wecannotseethegerms3,butwecanseethemwithamicroscope(显微镜).Germsarealwaysfound4.Whenwe...
• 2020-07-1317216