beam - a line of radiation or particles flowing in one direction - ลำแสง
beam - a line of radiation or particles flowing in one direction - ลำแสง
beam - a long thick piece of metal, concrete, wood, etc. especially used to support weight in a building or other structure - คานรับน้ำหนัก
beam - to smile widely and happily - ยิ้มแย้มแจ่มใส