underdone
adjective uk/ˌʌn.dəˈdʌn/ us/ˌʌn.dɚˈdʌn/
（尤指肉）未做熟的，没烧烂的
Underdone food, especially meat, is cooked for only a short time, or for less time than is necessary.
I like my steak underdone. 我喜欢牛排做得嫩一点。
These potatoes are underdone - I'll put them back in the oven. 这些土豆没熟——我要把它们放回烤箱里。