log
英 [lɒg]
美[lɔɡ]
	    - vi. 伐木
 - vt. 切;伐木;航行
 - n. 记录;航行日志;原木
 
英英释意
- 1. a segment of the trunk of a tree when stripped of branches
 
- 2. large log at the back of a hearth fire
 
- 3. the exponent required to produce a given number
 
- 4. a written record of messages sent or received;
 - "they kept a log of all transmission by the radio station"
 - "an email log"
 
- 5. a written record of events on a voyage (of a ship or plane)
 
- 6. measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water