ln

IPA/ˌɛlˈɛn/
KK[lˈen]IPA/lˈeɪn/

ln — 縮寫

1. the short written form of the word lane, used after a street name in postal addr

1.縮寫A2
釋義

巷；弄

地址中 lane 的書面縮寫

the short written form of the word lane, used after a street name in postal addresses

例句

The package was sent to 42 Maple Ln, near the park.

那個包裹寄到了公園附近的 42 Maple Ln。

pattern: house number + <Name> Ln

Iris wrote her new address as 18 Oak Ln on the form.

Iris 在表格上把新地址寫成 18 Oak Ln。

address use: <Name> Ln on a form

同義詞
  • lane

    the full word, used in speech and ordinary writing

文法句型

<Name> Ln

<Name> Ln, <City>

house number + <Name> Ln

用法筆記

Used almost only in written addresses, signs, and maps. In normal speech, people read it aloud as the full word lane.

常見錯誤

❌They walked down the small Ln behind the house.
✅They walked down the small lane behind the house.
💡Ln only appears in written addresses, not in normal sentences.

2. the written symbol for the natural logarithm, the logarithm whose base is the nu

2.縮寫C1
釋義

自然對數

以 e 為底的對數的數學符號

the written symbol for the natural logarithm, the logarithm whose base is the number e (about 2.718)

例句

Hyun showed the class how to calculate ln(2) on the board.

Hyun 在黑板上向全班示範如何計算 ln(2)。

pattern: ln(x) — function notation

To solve for time, take the ln of both sides of the equation.

要解出時間，就在方程式兩邊都取 ln。

common math instruction: take the ln of

同義詞
  • natural log

    the spoken short form used in classrooms

  • log base e

    a longer phrase that names the base explicitly

文法句型

ln(x)

ln <number>

take the ln of

用法筆記

Spoken aloud as 'L-N' or 'natural log'. Distinct from log, which usually means base-10 logarithm in school maths.

常見錯誤

❌Take the log of both sides' (when you need base e).
✅Take the ln of both sides.
💡ln is base e; log usually means base 10 in school exercises.