The flange sealing surface should be smooth and clean, to seriously clean up oil and rust during installation.

法兰密封面应平整清洁，安装时要认真清理油污和锈斑。

youdao

Seriously, it'll make you want to clean more.

说真的，这会让你想要继续打扫。

youdao

Yet many Indonesians are now saying that if their country is to be taken seriously abroad, it will have to clean up its act at home.

然而很多印尼人说如果他们的国家要真正跨出海外，它必须先清理自己国内的行为。

youdao

The measure of Mr Bush's failure to tackle this issue seriously is his continued rejection of the only two clean and efficient solutions to climate change.

ECONOMIST: Climate change