Ecf
abbr. electrochemical fluorination-process 电化氟化法; extracellular fluid 细胞外液
🗣️ 情景例句
Can you point me to the video cameras?
你能给告诉我卖摄像机的在哪儿吗？
An inch in a miss is as good as an ell.
错无分大小，有错皆不好。
Oh? What are mooncakes?
噢？月饼是什么？