1
e + verb (e.g., equals, is)
数学中e是自然对数的底数，通常用作常数。
e equals approximately 2.71828.
e 约等于 2.71828。
字母E
ees — plural of e
先理解核心含义，再看它在真实句子里的用法。
字母E
the 5th letter of the Roman alphabet
e equals approximately 2.71828.
e 约等于 2.71828。
拉丁字母E/e的名称。
The name of the Latin script letter E/e.
某些评分系统中低于D的等级,通常为不及格
The grade below D in some grading systems. In most such systems, it is a failing grade.
In math class, we learned that e is approximately equal to 2.71828.
在数学课上，我们学到 e 约等于 2.71828。
The number e appears in many formulas for growth and decay.
数字 e 出现在许多增长与衰减的公式中。
To calculate compound interest, you often need the value of e.
要计算复利，你常常需要 e 的值。
数学中e是自然对数的底数，通常用作常数。
e equals approximately 2.71828.
e 约等于 2.71828。
作为字母时通常小写。
The word 'apple' starts with the letter e.
单词 'apple' 以字母 e 开头。
常出现在数学公式中。
The value of e is used in calculus.
e 的值在微积分中使用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
常数e
The constant e is approximately 2.71828.
常数e大约等于2.71828。
底数e
Logarithms with base e are called natural logarithms.
以e为底的对数称为自然对数。
字母e
The word 'example' starts with the letter e.
单词'example'以字母e开头。
e的...次幂
e to the power of zero equals one.
e的0次幂等于1。
Use ees naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
自然对数的底e≈2.718，联想E字母发音'i:'，记作'二点七一八'。
通常用于数学和科学语境，表示自然对数的底数，多出现在公式和理论中。风格中性偏正式。
E作为数学常数时不可数，作为字母时可数。
Dictionary facts from ECDICT, WIKTIONARY.