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
Going away to college for the first time
第一次离家上大学，
Now you are scared, aren't you?
怕了吧？
Hi, Jim. Nice to meet you.
你好，吉姆。很高兴见到你。