四级高频词组 1. at the thought of一想到 2. as a whole (=in general) 就整体而论 3. at will 随心所欲4. (be) abundant in(be rich in; be well supplied with) 富 于,富有5. access(to) (不可数名词) 能接近,进入,了解 6. by accident(=by chance, accidentally)偶然地,意外. Without accident(=safely) 安全地, 7. of ones own accord(=without being asked; willingly; freely)自愿地 ,主动地 8. in accord with 与一致 . out of ones accord with 同。不一致 9. with one accord (=with everybody agreeing)一致地 10. in accordance