The choice of reading materials is very heavy key.

阅读材料的选择非常的重关键。

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He locked the heavy door securely and kept the key in his pocket.

他锁牢了那扇重门把钥匙放在了他的口袋里。

《柯林斯英汉双解大词典》

Advertisers now place "banners", links to commercial web sites decorated with attractive pictures designed to catch our eyes while browsing the webs, on key web sites with heavy traffic.

广告客户现在在流量大的主要网站上放置“横幅”，设置链接到商业网站，上面装饰有吸引人的图片，以吸引我们的眼球。

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Sid sneered. 'But to make sure nobody'll let you out, I'll just take this key along.'" "When Nancy could no longer hear the tramp of his heavy boots she was sure Sid had left the house.

VOA: special.2009.08.24

Chinese billionaires with A-share companies include Liang Wengen of Sany Heavy Industry, a key rival of Caterpillar in China, and Zhang Jindong, the chairman of Suning Commercial, a self-styled Amazon and Wal-Mart of China.

FORBES: China Stock Accounts Opened By Foreign Institutional Investors At A Four-Year High

To make matters worse, heavy rains this month destroyed a key bridge in the east (see picture).

ECONOMIST: Bolivia's troubles

He put a lot of key pieces in place and did some heavy lifting.

FORBES: Ron Johnson Out At J.C. Penney, Ending Its Year Of Living Dangerously