Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
to phrases
hydrogen wave
tech. 氢波
hydrogen wave
: 1 phrase in 1 subject
Chemistry1

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips