Taivo A Taiwan Mandarin dictionary

用光

yòngguāng

ㄩㄥˋ ㄍㄨㄤ

  1. 1out of (supply)
  2. 2spent
  3. 3exhausted (used up)
  4. 4depleted
Example

星體和星體之間的距離是用光年來量度的。

xīngtǐ hàn xīngtǐ zhījiān de jùlí shì yòngguāng niánlái liángdù de

The distance between stars is measured in light years.

Keep 用光 and it comes back until you know it.

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