Thymotrol
闸流管电动机控制
🗣️ 情景例句
Are you still doing your photography?
你还在搞摄影吗？
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。