burden
英 ['bɜːd(ə)n]
美['bɝdn]
	    - n. 负担;责任;船的载货量
 - vt. 使负担;烦扰;装货于
 - n. (Burden)人名;(英)伯登
 
英英释意
- 1. an onerous or difficult concern;
 - "the burden of responsibility"
 - "that's a load off my mind"
 
- 2. weight to be borne or conveyed
 
- 3. the central meaning or theme of a speech or literary work
 
- 4. the central idea that is expanded in a document or discourse