It is occasionally necessary to use a number system to designate the position of each ligand.有时需要用一种编号系统来标明各配体的位置.Japan's Prime Minister-designate is completing his Cabinet today.日本的当选首相今日将完成组阁。There are efforts und...
to close existing loopholes堵住现有的漏洞They tightened the loopholes in those acts.他们堵住了那些法案中的漏洞.Boat to the middle of a river only plug up loopholes.船到江心才补漏洞.指临到紧急关头才设法补救....