重點(diǎn)講解：
1. blot out 遮住；擋住；遮蔽；
About the time the three climbers were halfway down, clouds blotted out the sun.
當(dāng)這3個(gè)登山者下到半山腰的時(shí)候，云層遮住了太陽(yáng)3.GD9QQ[IP7zb。
2. show up 出現(xiàn)；
Its symptoms typically show up in early childhood. The main characteristics are inattention, hyperactivity and impulsivity.
其癥狀通常出現(xiàn)于孩童時(shí)期早期，主要的特徵是注意力不集中、過(guò)動(dòng)和沖動(dòng)|Awn.jDeh8;|9=jic。
3. in silhouette 呈側(cè)面影像；呈黑色輪廓像；
Even from behind in silhouette, Billy recognized the figure.
即便看到的只是背影的輪廓，比利還是認(rèn)出了那個(gè)人影W=u]Z@%|LTLO%bB.8MM;。
4. block out 擋住，遮擋（光線）；
Thick chipboard across the window frames blocked out the daylight.
裝在窗框上的厚厚的膠合板擋住了白天的光線qk(-csjNUELp,xB。