Arsphenamine
n. 胂凡纳明, 六零六\\n[化] 胂凡纳明; 606
🗣️ 情景例句
How's your English coming along?
你英语学得怎样了？
My pleasure.
不客气。
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，