News Plus慢速英语:维生素D有望治疗多发硬化症 斯里兰卡入境游客人数再创新高

重点讲解：
1. stave off
推迟；暂时避开；
eg. In a desperate attempt to stave off defeat, he reluctantly promised wholesale reform of the constitution.
为了竭力避免败局，他勉强答应要对宪法进行大规模修改。
eg. But the reality of discovery was a different matter, and he did all he could to stave it off.
但所发现的实际情况完全是另一回事，所以他只好尽自己所能暂缓其发生。
2. be associated with
与……有关系；
eg. Conceit is associated with stupidity and ignorance.
骄傲的朋友是愚蠢和无知。
eg. AMD is associated with aging, but the exact cause is still unknown.
AMD与年龄有关，但确切原因仍不知道。
3. contribute to
（为…）做贡献；
eg. Many specialistic techniques contribute to archaeology.
许多专业技术对考古学作出贡献。
eg. We hope your suggestion will contribute to sloving the problem.
我们希望你的建议将有助于解决这个问题。
4. amount to
合计；共计；
eg. His bank savings, with his wife's jewels, amount to three million dollars.
他的银行存款加上他太太的首饰合计达三百万元。
eg. The long-distance call tolls amount to quite a sum.
长途电话费数目相当可观。
5. compared to
相对…而言；对照；
eg. Compare to other vehicle, car is really quite convenient.
同其他车辆相比，汽车确实很方便。
eg. Compare to the city, the country looks like the world without its clothes on.
比起城市，乡村看上去好似没有穿上衣服的世界。