例句:The use of disposable chopsticks has been debated for years.pick up food with chopsticks。好啦，今天的小知识点，你学会了嘛?
a[eijart一(个，件....) afforde':dv有足够的(钱/时间)做(某事)abit(of)phr少量(的)，一点 afraid[e'freid]adj害怕的abit[e'bit]phr.一点儿 Africa[afrika]n非洲a bottle of]phr.
Unit 1How can we become good learners?textbook[tekstbuk]n. 教科书；课本conversation[kɔnvəseɪʃn]n.交谈；谈话aloud[əlaud]adv.
