A major concern is to alleviate environmental pollution and restrict the deteriorative tendency the 21 st century.进入21世纪以来,减轻环境污染和遏制生态恶化趋势已成为人们关注的焦点....
A plug had been inserted in the drill hole.钻孔已塞上了塞子。Make sure the draining board, sink and plug hole are regularly disinfected.滴水板、水槽和塞孔一定要定期消毒。The banks have the power to pull the plug on the project.银行有能力让该工程终止。...
"I think the earlier ones are a lot better." —"Mm, definitely."“我觉得早前的那些要好得多。”——“嗯,毫无疑问。”The car is some 40mm shorter than its predecessor.这辆轿车比原先的车型短了约40毫米。...a length of 22-mm diameter steel pipe.一段直径为 22 毫米的钢管Nuts ell...