d/v
美
英 
例句
While her blood tests were normal, an ultrasound showed deep-vein thrombosis, a dangerous blood clot.
雖然她的血液測試很正常,但超音波顯示她有一種危險的血液凝塊——深靜脈血栓(deep-veinthrombosis,簡稱D.V.T.)。
As early as the mid-14th century a. d. , v chang, displayed online manageable size ancient thread-bound books.
早在公元14世紀明朝中葉,就已出現使用線裝訂的古線裝書了。