graveness例句

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.
目前矿山开发产生的固体废物对生态环境造成的影响日趋严重.