Sideropenia
[医] 铁缺乏
🗣️ 情景例句
Now, the ingredients.
现在 ，看看配料。
Fine words butter no parsnips.
画饼充饥。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，