Nccam
abbr. National Center for Complementary and Alternative Medicine 全国补药和选择性药物中心
🗣️ 情景例句
I don't know why I didn't think of it.
我不知道为什么我没有想到这一点。
He who never was sick dics the first.
永不生病的人往往一病致命。
Postcards always spoil my holidays.
明信片总搅得我假日不得安宁。