pertaining to; concerning; regarding; with regards to; about; a matter of[cedict]
感染
gǎn rǎnㄍㄢˇ ㄖㄢˇ
infection; to infect; to influence[cedict]
到
dàoㄉㄠˋ
to (a place); until (a time); up to; to go; to arrive[cedict]
未经
wèi jīngㄨㄟˋ ㄐㄧㄥ
not (yet)[cedict]
消毒
xiāo dúㄒㄧㄠ ㄉㄨˊ
disinfect; sterilize[cedict]
工具
gōng jùㄍㄨㄥ ㄐㄩˋ
tool; instrument; utensil; means[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
霉菌
méi jūnㄇㄟˊ ㄐㄩㄣ
mould; mold[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]