重点讲解：
1. be interested in 感兴趣的；有兴趣的；关心的；
例句：I'm not a cook myself but I am interested in nutrition and that.
我本人不是厨师，但对营养之类的事很感兴趣7bf-(@2m0^LzIA。
2. come back 回来；
例句：She didn't come back until very late in the evening.
她直到晚上很晚才回来[ziGjgW=DoU_)mhQ6@NM。
3. was/were supposed to do sth. 本应该(发生而没有发生)；
例句：I was supposed to meet him here.
我原本以为会在这里碰到他的rLT[BL]WfOt+OP18mOS。