infra-
prefix /ɪnfrə/
/ɪnfrə/
- (in adjectives
构成形容词 低于（或超出）某限度的 - infrared
红外线的
More Like This PrefixesPrefixes- a-
- ante-
- anti-
- be-
- co-
- de-
- demi-
- dis-
- en-
- ex-
- extra-
- hyper-
- hypo-
- il-
- in-
- infra-
- inter-
- intra-
- mis-
- non-
- off-
- oft-
- out-
- over-
- para-
- post-
- pre-
- pro-
- re-
- retro-
- semi-
- sub-
- trans-
- ultra-
- un-
- under-
- up-
词源from Latin infra ‘below’. - infrared