Ecp
[医] 红细胞粪卟啉
🗣️ 情景例句
It's hard for some older people to take all that noise.
一些老年人没办法忍受那些噪音。
The electric fan is out of order.
这电风扇出毛病了。
Will you help me plant this tree, please?
你愿帮着种这棵树吗？