With unwearied diligence, his eyes pursued the object till it gradually disappeared.
With unwearied diligence, his eyes pursued the object till it gradually disappeared.
他的眼光毫无松懈地追踪著这个物体,直到它逐渐消失。
With unwearied diligence, his eyes pursued the object till it gradually disappeared.
他的眼光毫无松懈地追踪著这个物体,直到它逐渐消失。