n.日志，原木，(某时期事件的)正式记录，(尤指)航海日志，飞行日志
vt.记录，把…载入正式记录，行驶(若干距离或时间)，采伐(森林的)树木

原形：log第三人称单数：logs复数：logs过去式：logged过去分词：logged现在分词：logging

We piece the log book together.
我们把航海日记拼凑在一起。
We log for a living.
我们以伐木为生。
The logarithm of 100 is 2, because 10 squared equals 100."
100的对数是2，因为10的平方等于100。
Taking the natural logarithm (ln) of e gives you 1, as e raised to the power of 1 is e itself.
自然对数（ln）以e为底数得到1，因为e的1次方就是e。
The logarithmic scale on a ruler makes it easier to read large numbers by compressing their range.
尺子上的对数刻度通过压缩数值范围，使得读取大数字更加方便。
In computer science, the base-2 logarithm (bitwise logarithm) determines how many bits are needed to represent a number.
在计算机科学中，二进制对数（位逻辑对数）决定表示一个数需要多少位。
The logarithm helps in calculating compound interest, where the interest is compounded periodically.
对数有助于计算复利，即利息按定期进行累积。
Archimedes used logarithms to calculate areas and volumes of geometric shapes, without the need for complex multiplication.
阿基米德利用对数计算几何形状的面积和体积，无需复杂的乘法运算。
The Richter scale measures earthquake intensity using the logarithm of the amplitude of ground motion.
里氏震级使用地面运动振幅的对数来测量地震强度。
In chemistry, pH is a logarithmic scale that expresses the acidity or basicity of a solution."
pH值是一个对数尺度，用来表示溶液的酸碱性。
When solving exponential equations, logarithms are often used to transform them into simpler linear equations.
解指数方程时，通常会用到对数，将其转化为更简单的线性方程。
A logarithmic graph can be used to visualize the growth rate of populations, making trends more easily discernible.
对数图可以用来展示人口增长速率，使趋势更易于识别。