He has found that smoke and toxic gases can be transported swiftly up through the atrium.他发现烟和毒害性气体可通过中庭迅速向上传播.From the left atrium the blood passes through the bicuspid valve into the right ventricle.来自左心房的血液通过二尖瓣进入右心室....
She powdered her face before going to dinner.她去参加晚宴前往脸上搽了粉。...the old woman's powdered face.老妇人那张搽了粉的脸She powdered her face and applied her lipstick and rouge.她往脸上搽了粉，抹了口红和胭脂。I'd like some coffee, and I don...