Giardiasis
[医] 贾第虫病, 梨形鞭毛虫病
🗣️ 情景例句
Ellen, why don't you go out to the backyard
Ellen，何不去院子
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
How did you decide that product was safe?
你怎样决定产品是安全的呢？