Vfas
(vfa 的复数) [医][=volatile fatty acid]挥发性脂肪酸
🗣️ 情景例句
And?
结果呢？
No pleasure without alloy (or pain or repentance).
乐中有悲。
The children are no longer young, and they know who Father Christmas really is.
孩子们不小了，他们知道真正的“圣诞老人”是谁。