log

• 名词，指树木的树干或树枝被砍下或倒下的部分，也指事件、数据或交易的记录。

A noun referring to a part of a tree trunk or branch that has fallen or been cut down, or a record of events, data, or transactions.

1. A2formal

   A thick piece of wood cut from a tree or branch.

   原木

   • He threw another log on the fire.
   • The cabin was built from rough logs.
   • They sat on a log by the river.

   同义词billetblockchunk

2. B1formal

   A written or digital record of events, observations, or data.

   日志

   • The captain wrote in the ship's log every day.
   • The server keeps a log of all user activity.
   • She maintained a detailed log of her experiments.

   同义词accountchroniclediaryjournalledgerlogbookrecordregisterregistry

3. MathematicsB2formalscientific

   Short for logarithm.

   对数

   • Calculate the log of 100 to base 10.
   • The log function is used in many scientific formulas.
   • He solved the equation using natural logs.

   同义词logarithm

• 动词，表示记录信息、录入数据，或砍伐树木。

A verb used to indicate the act of recording information, entering data, or cutting down trees.

1. Record or registerB1formal

   To officially record information, events, or data.

   记录

   • The captain logged the ship's position every hour.
   • She logged all the expenses in a spreadsheet.
   • The system automatically logs user activity.

   同义词chronicledocumententerlistnoterecordregistertranscribe

   反义词deleteeraseomit

2. B1formal

   To cut down trees for timber or to clear land.

   伐木

   • The company logged the entire forest for wood.
   • They logged the area to make way for a new road.
   • Illegal logging is destroying the rainforest.

   同义词chopcut downfellhewtimber

3. Travel a distanceB2informal

   To travel a specified distance or amount of time.

   行进（距离）

   • The pilot logged over 10,000 flight hours.
   • He logged 50 miles on his bike today.
   • The truck driver logged 300 miles before stopping.

   同义词clockcoverrack uptraverse

短语动词变体log inlog offlog onlog outlog up