Ron (wearing embroidered green robes) is focused off to the left and has his mouth open as if surprised or frightened.

身着镶边绿袍的罗恩视线偏左，张口结舌似乎大吃一惊或者大为惊恐。

youdao

Caffeine, guanine, taurine and green tea extracts all have these properties, says Ron Mendel, who has done research on diet drinks that combine these ingredients.

BBC: Who, Why, What: Can foods have negative calories?