total-BNC²³⁶²¹³⁺¹ 基本例句 stem.全部all整体whole相关词根tot- That dose is about10,000 times that typical exposure rate for the U.S., but it is applied to the cancerous tissue; the total- body exposure during radiation therapy is much less. 治疗中所接触到得辐射量是在美国通常接触到辐射量的10000倍，但是它仅适用于癌组织；在放射性治疗中全身接触的辐射量相对来说是非常少的。 yeeyan