Illustration: At a Japanese school’s outdoor science table, a teacher lifts an opaque cover from half of a strand of UV-sensitive beads lying in sunlight. The newly uncovered beads remain pale at this instant, while those already exposed have visibly deepened in color.

JLPT N1nounLevel estimated by Bebop

紫し外がい線せん

shigaisen

ultraviolet rays

Example sentences

  1. 紫外線しがいせんは私わたしたちにとって有害ゆうがいだ。

    Ultraviolet rays are harmful to us.

    Tatoeba · CC BY 2.0 FR · Source

  2. 彼かれは目めを紫外線しがいせんから守まもるためにサングラスをかけた。

    He put on sunglasses to protect his eyes from ultraviolet rays.

    Tatoeba · CC BY 2.0 FR · Source

  3. 赤外線せきがいせんや紫外線しがいせんは、人ひとの目めには見みえない光ひかりである。

    Infrared and ultra-violet rays are types of light invisible to the human eye.

    Tatoeba · CC BY 2.0 FR · Source

Kanji in 紫外線

  • 紫purple; violetOnシKunむらさき
  • 外outsideOnガイ・ゲKunそと・ほか・はずす
  • 線line; trackOnセンKunすじ

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