单词：assertion

中文含义：断言，主张，声明

英语词性：noun

美式发音：əˈsərʃən

同义词：affirmation, declaration, claim

易混淆单词：assumption, allegation

双语例句：

1. He made the assertion that he would win the race.

他断言他会获胜。

2. The company’s assertion that their new product is eco-friendly has been questioned by environmental groups.

公司声称其新产品是环保的说法，遭到环保组织的质疑。