重點講解:
1. call upon sb. to do sth. 要求;呼吁;號召;
I call upon governments to support us in our effort to safeguard the athletes' health.
我呼吁各國政府支持我們,保護運動員的健康。
2. contribute to (為…)做貢獻;
The three sons also contribute to the family business.
這3個兒子也為家族事業做出了貢獻。
3. be based on 以…為基礎;
His actions were based on a false assumption.
他的行為基于錯誤的設想。
4. make public 公之于眾的;公開的;人人皆知的;
That matter has not yet been made public.
此事尚未公布。
adj. 準確的,精確的