Nonpathogenic
a. [醫]非病原的,不致病的
??? 情景例句
Someone told me you're the computer expert around here. Weel, I have a question for you...
有人告訴我你在這里是計算機專家，我有個疑難想請教你。。。
A sow, when washed; returns to the muck.
江山易改，本性難移。
No, it isn't, said the detective suddenly.
不，不對，偵探突然說。