缩小: to reduce, to decrease, to shrink...
防治: to prevent and cure, prevention and cure...
外文: foreign language (written)...
二维码: two-dimensional barcode, QR code...
营养: nutrition, nourishment...
胖子: fat person, fatty...
职工: workers, staff...
刚毅: resolute, steadfast, stalwart...
随机: according to the situation, pragmatic, random...
兜售: to hawk, to peddle...