emit
verb (formal)- emit something
to send out something such as light, heat, sound, gas, etc. 发出,射出,散发(光、热、声音、气等) The metal container began to emit a clicking sound. 金属容器开始发出咔嗒咔嗒的声音。 Sulphur gases were emitted by the volcano. 硫黄气体由火山喷发出来。
Oxford Collocations DictionaryEmit is used with these nouns as the subject:- transmitter
- aura
- beam
- carbon dioxide
- …
Word Originearly 17th cent.: from Latin emittere, from e- (variant of ex-) ‘out of’ + mittere ‘send’.