Tou
abbr. 追踪装置（Trace Operate Unit）
🗣️ 情景例句
Come in, please.
请进。
Without health, life is not life, life is lifeless.
如无健康的身体，生活就不成为生活，人生也毫无生气。
She hired a car by the hour.
她租了一辆按钟点计费的汽车。