读音

/on/

释义

• 介词: 表示在…上面，与…接触。例如: “The book is on the table.”
• 副词: 表示进行中，开着的，连接（电子设备）。例如: “The meeting is on now.” 或 “My phone is on.”

短语

• “on top of” 意为在…之上，或额外的。例如: “She put another layer of paint on top of the old one.”
• “on duty” 表示值班或在工作状态。例如: “He is on duty tonight.”
• “turn something on” 意为打开（电器等）。例如: “Please turn on the lights.”

例句

• 介词: “The cat is sleeping on the windowsill.”
• 副词: “The concert is broadcast live, so tune in and listen on the radio.”

同义词

• above
• upon
• in contact with
• at hand
• switched on