Prehnitic acid
[化] 连苯四酸; 1,2,3,4-苯四甲酸
🧩 词语组成解析
🗣️ 情景例句
I remember when I was pregnant with Richard.
我记得当我怀着Richard时，
It's fantastic.
那儿棒极了。
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下