Gastriode
充气三极管, 闸流管
🗣️ 情景例句
And Dad called the ASPCA.
爸爸打电话给ASPCA。
John took a glance at the beautiful women.
约翰瞄了一眼那个美丽的女人。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。