重点讲解：
1. engage in 参与；从事；
Industry leaders want scientists to engage in fundamental research, not applied research.
行业领袖希望科学家从事基础性研究，而非应用性研究。
2. in the face of 面对；在…面前；
We shouldn't recoil in the face of difficulty.
遇到困难我们不应该畏缩不前。
3. cheer up (使)高兴起来；(使)振作起来；
Cheer up, better times may be ahead.
打起精神来，好日子也许还在后头呢。
4. shoot to fame 迅速(成名)；一举(成功)；
The trained animals costarring with celebrities in movies can shoot to fame overnight.
在电影中与名人平分秋色的、经受过训练的动物（明星）们可能一夜走红。