Tdn
abbr. 可消化的养分总量（total digestible nutrients）
🗣️ 情景例句
Didn't we go to school together?
我们以前在一起上过学吗？
The doctor advised me to take a walk outdoors.
医生劝我要多到户外散步。
Haroun Tazieff, the Polish scientist,
波兰科学家哈罗恩。塔捷耶夫，