Hay's test
[医] 海氏试验(检胆汁盐)
🧩 词语组成解析
🗣️ 情景例句
What about the cake?
蛋糕怎么样？
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。