Circulus venosus halleri
[醫] 乳暈靜脈環
?? 詞語組成解析
[醫] 環, 圈
[醫]靜脈的
??? 情景例句
How fresh are these vegetables?
這些蔬菜有多新鮮？
I don't know what I should have done without your help.
要不是您的幫助，我真不知道該怎么辦。
I can't make this machine run properly.
我無法使這部機器正常運轉。