Abhi
精氨酸-b 31人胰岛素（arg-b 31 human insulin）
🗣️ 情景例句
I'm afraid it just isn't good enough.
恐怕这不够好。
Have you been busy with schoolwork?
学校的功课很忙吗？
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，