Diammonium
phosphate[化]磷酸氢二铵
🗣️ 情景例句
You're absolutely right.
你完全正确。
One beats the bush, and another catches the birds.
坐享其成。
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。