Aafco
abbr. Association of American Feed Control Officials 美国饲料控制委员会; Association of American Fertilizer Control Officials 美国肥料控制委员会
🗣️ 情景例句
I can never get ahead at my job.
我总是不能出人头地。
Will you speak more slowly?
请你说慢一点好吗？
later, we shall undergo a progressive loss of our vigour and resistance which, though imperceptible at first,
再迟一些，我们就要经历生命力和抵抗力逐步衰退的过程。虽然这个过程起初难以觉察，