Graveness and chariness are my best excellence.认真和细心是我最大的长处.Because they all to your meaning graveness.因为他们都对你的意义重大.Today solid waste produced by mine exploitation influences environment and it tends to became graveness....

graveness的音标：graveness的英式发音音标为：['greɪvnɪs]graveness的美式发音音标为：['greɪvnɪs]...

n.重大，认真，严重...