Ritt
abbr. Research Institute of Telecommunication Transmission （中国邮电部）电信传输研究所
🗣️ 情景例句
Good luck, Son.
祝你好运 ，孩子。
I'll calling 265-5822.
打265-5822。
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，