3. condition :n.状况，状态。后与介词of搭配。 The astronauts soon got used to the condition of weightlessness. 4. particular: adj. 特定的 The accident happened on that particular day. He is very particular about his food. 5. consider :v. 考虑；认为 I considered changing my job, but in the end I decided not to. We consider him our friend. 6. on average=on the /an average: 平均 How many classes do you have every day on average?