realm
英 [relm]
美[rɛlm]
	    - n. 领域,范围;王国
 
英英释意
- 1. a domain in which something is dominant;
 - "the untroubled kingdom of reason"
 - "a land of make-believe"
 - "the rise of the realm of cotton in the south"
 
- 2. a knowledge domain that you are interested in or are communicating about;
 - "it was a limited domain of discourse"
 - "here we enter the region of opinion"
 - "the realm of the occult"
 
- 3. the domain ruled by a king or queen