He squinted and shielded his eyes.他眯着眼，用手挡住眼睛。His secretary shielded him from importunate visitors.他的秘书替他挡住胡搅蛮缠的来访者。How well is the exposure area shielded from the cyclotron proper.照射区对回旋加速器本身的屏蔽程度如何?He shielded his head...
The interior was shielded from the curious gaze of passersby.屋子内部被挡住了，以防路人好奇地张望。His secretary shielded him from importunate visitors.他的秘书替他挡住胡搅蛮缠的来访者。He squinted and shielded his eyes.他眯着眼，用手挡住眼睛。...