Hhb.
[医] 还原血红蛋白
🗣️ 情景例句
Your downstairs neighbor let me in.
楼下的邻居让我进来的。
To enter outer space
飞出大气层，进入外太空
Two years later, her father disappeared, never to be heard from again.
两年后，她父亲失踪了，从此再无音讯。