Tdn
abbr. 可消化的养分总量（total digestible nutrients）
🗣️ 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
I want to be the big boss.
我想当“大头目”。
Are you enjoying living here?
你喜欢这儿的生活吗？