Taivo A Taiwan Mandarin dictionary

彎月形透鏡

wānyuèxíngtòujìng

ㄨㄢ ㄩㄝˋ ㄒㄧㄥˊ ㄊㄡˋ ㄐㄧㄥˋ

Simplified 弯月形透镜

  1. 1meniscus lens

Keep 彎月形透鏡 and it comes back until you know it.

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