direct vision的用法和樣例：
例句
- Skilled sports people hiding their intended passes or moves by using their peripheral vision rather than looking directly.
熟練的體育運動(dòng)員通過(guò)邊視覺(jué)而不是直視來(lái)隱藏自己的欲進(jìn)行的傳球或動(dòng)作。 - The keys of treatment are to incise the left and right bile duct and remove stone under direct vision and dilate the bile duct stricture.
左右肝管切開(kāi)，直視下取石及狹窄擴張是尾狀葉膽管結石治療的關(guān)鍵。
