G469
[医] β-吡啶醛缩氨硫脲
🗣️ 情景例句
Robbie just went to the store.
Robbie刚去商店。
The beginnings of all things are small.
万事开头小。
It was rather like an exhibition of prehistoric electronic equipment.
这儿倒像是在展览古老的电子设备。