Dtt
abbr. diphtheria tetanus toxin 白喉，破伤风毒素; duplicate title transferred 副标题转移
🗣️ 情景例句
She's nine years old.
她九岁。
Lying rides upon debt's back.
负债的人谎话多。
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。