Diazelate
壬二酸氢盐(或酯)
🗣️ 情景例句
Davis Aerobics Center for Good Health.
Davis有氧运动健身中心。
I put some photographs in the envelope.
我在信里夹了几张照片。
Good morning. Can I help you?
早上好！我能帮您什么忙吗？