ponder
英 ['pɒndə]
美['pɑndɚ]
	    - vt. 仔细考虑;衡量
 - vi. 考虑;沉思
 - n. (Ponder)人名;(英)庞德
 
英英释意
- 1. reflect deeply on a subject;
 - "I mulled over the events of the afternoon"
 - "philosophers have speculated on the question of God for thousands of years"
 - "The scientist must stop to observe and start to excogitate"