Polyatron
多阳极计数放电管
🗣️ 情景例句
That's true. Harry Bennett,certified public accountant.
是的。Harry Bennett注册会计师。
He who does not advance falls backward.
不进则退。
Two assistants, mounted on tame elephants, control the captive from either side,
两位助手骑在驯服的象的背上，从两侧控制新捕的象，