Gastriode
充气三极管, 闸流管
🗣️ 情景例句
I hear you're expecting a baby, Mrs. Stewart.
我听说你们快有小孩了， Stewart太太。
Every why has a wherefore.
事出有因。
but by now the Thermopylae was over five hundred miles ahead.
但此时，“赛姆皮雷”号早已在500多英里之遥了。