clear bulb

例句：

1. 1. The engineer carefully inspected the clear bulb of the light bulb.
   工程师仔细检查了灯泡的透明部分。
2. 2. The old man had a clear bulb in his eyes that made him seem wise beyond his years.
   老人眼中有一颗透明的灯泡，让他看起来比实际年龄要大。
3. 3. The new bulb was so clear that it illuminated the room with bright light.
   新灯泡非常明亮，照亮了整个房间。