benign
/bɪˈnaɪn/adjective
1- gentle; kindly温和的, 宽厚的, 慈祥的：
his benign but firm manner.
他和蔼却坚定的态度。
1.1
- (of a climate or environment) mild and favourable（气候, 环境）温和的, 宜人的。
1.2
- not harmful to the environment对环境无害的, 环保的：
in combination an ozone-benign refrigerant.对臭氧无损害的冷冻剂。
1.3
- Medicine (of a disease) not harmful in effect【医】（疾病）无危险的, 无害的。
1.4
- Medicine (of a tumour) not malignant【医】（肿瘤）良性的。
派生词
benignity
nounbenignly
adverb词源
Middle English: from Old French benigne, from Latin benignus, probably from bene 'well' + -genus '-born'. Compare with GENTLE1.