1.announcement 公告

The announcement raised a storm of protest.
这个声明引起了一场抗议风潮gK#h#8wn#*c_t)U@R^b_。

2.opportunities 机会

Research opportunities exist in a wide range of areas.
研究机会存在于广泛的领域中@oAHT#3uH,K8@@])eeT2。

3.overthrew 推翻

This new discovery overthrew the old theory that was completely believed by scientists before.
这个新的发现推翻了以往科学家们深信不疑的理论Lvhle(7p!297C。

4.foresee 预见

We do not foresee any problems.
我们预料不会出任何问题~lRa#QV]yD#oR,;T。