n.[C]

1. 圓木；原木；木料
   The cabin was built of logs.

   這小屋是用原木建造的。

2. 【海】測程儀，計程儀
3. 航海日誌；飛行日誌
   The captain of the ship entered the details in the log.

   船長把詳細情況記入航海日誌中。

4. （機器運轉，檢修等）記錄
5. （工程，試驗等的）工作記錄簿

vt.

1. 伐（林木）；採伐（某地區）的林木[（+off）]
   We'll log another section of the area today.

   今天我們要砍伐另一部分林區的樹木。

2. 把（樹木）鋸成段木
3. 把……記入航海（或飛行）日誌
4. 航行；飛行（一定距離，時數）[（+up）]
   How many hours did the plane log in the sky between April 30 and May 15?

   這架飛機於四月三十日至五月十五日期間在空中飛行了多少小時？

n.

1. a part of the trunk or a large branch of a tree that has fallen or been cut off.
2. (also logbook) an official record of events during the voyage of a ship or aircraft.
3. an apparatus for determining the speed of a ship, originally one consisting of a float attached to a knotted line.

v.

1. enter (something) in a log.
   ▸achieve (a certain distance, speed, or time).
2. (log in/on or off/out) go through the procedures to begin (or conclude) use of a computer system.
3. cut down (an area of forest) to exploit the wood commercially.

n.

symb.

[名]

1. 對數。