That could not FORM chemical compounds was once believed by scientists.

科学家曾相信：是不能形成化合物的。

youdao

Could not form good writing thinking, start to forget the word, and so on.

不能形成很好的书写思维，提笔忘字等等。

youdao

That xenon could not form chemical compounds was once believed by scientists.

䜨科学家曾相信：氙气是不能形成化合物的。

youdao

In the Oval Office, Prime Minister Harper said he does not worry that the Taliban could form an alternative government in Afghanistan, but that he is concerned about the Afghan government's ability to maintain security.

VOA: standard.2009.09.16

But a succession of political leaders chosen by King Albert II could not form a new government.

ECONOMIST: Belgium��s new government

But they could not maintain their form, and poor tackling let Arnaud Tchougong and Jean-Francois Coux in for tries.

BBC: Bourgoin 24-17 Ulster

Robert Karlsson and Paul Broadhurst, who finished first and second in the Wales Open at the weekend, could not maintain their form.

BBC: McDowell missed out on the US Masters earlier this year