Dianosticum
[医] 诊断液
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
How've you been?
别来无恙？
it would be more like that of a bluebottle buzzing round the room;
那就像一只嗡嗡叫的绿头苍蝇在屋内飞行的轨迹，