丝绸: silk cloth, silk...
图表: chart, diagram...
所长: head of an institute etc...
识字: to learn to read...
警惕: to be on the alert, vigilant, alert, on guard, to warn...
探讨: to investigate, to probe...
金额: sum of money, monetary value...
风浪: wind and waves, stormy sea...
摄影: to take a photograph, photography, to shoot (a movie)...
停电: to have a power failure, power cut...
