zero
英 ['zɪərəʊ]
美['zɪro]
	    - n. 零点,零度
 - num. 零
 - n. (Zero)人名;(意)泽罗
 
英英释意
- 1. a quantity of no importance;
 - "it looked like nothing I had ever seen before"
 - "reduced to nil all the work we had done"
 - "we racked up a pathetic goose egg"
 - "it was all for naught"
 - "I didn't hear zilch about it"
 
- 2. a mathematical element that when added to another number yields the same number
 
- 3. the quantity that registers a reading of zero on a scale