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(=s