A symbol appears in the leftupperquadrant of the screen.
一个符号出现在屏幕中扇形的左上方。
《柯林斯英汉双解大词典》
2
The main clinical features included longterm fever, anepithymia, weight loss, pain of leftupperquadrant, splenomegalia, and anemia.
主要临床表现为长期发热、纳差、消瘦、左上腹痛，脾肿大伴贫血。
3
About the size of a football, it's located mainly in the upper right portion of your abdomen, beneath the diaphragm and above your stomach, but a small portion extends into the upperleftquadrant.