重点讲解：
1. combine with
（使）结合；（使）组合；（使）综合；
eg. I am partial to desserts that combine fresh fruit with fine pastry.
我偏爱加有新鲜水果的精致油酥甜点。
eg. The furniture managed to combine practicality with elegance.
那些家具将实用和典雅完美结合。
2. be big on sth.
热衷于；
eg. That engineer is big on research.
那个工程师热衷于研究工作。
eg. I'm not very big on eating raw meat.
我并不喜欢吃生肉。
3. ring up
给…打电话；
eg. You can ring us up anytime.
你随时都可以给我们打电话。
eg. John rang up and invited himself over for dinner.
约翰打电话来，主动要求过来吃晚饭。
