Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
to phrases
system readiness test
avia. 系统准备状态测试
system readiness test
: 3 phrases in 2 subjects
Aviation2
Space1

 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