1 ผลลัพธ์ สำหรับ *light secon*
หรือค้นหา: light secon, -light secon-

WordNet (3.0)
light second(n) the distance light travels in a vacuum in one second; approximately 300, 000 kilometers

Time: 2.1347 secondsLongdo Dict -- https://dict.longdo.com/