Some libraries carry a separate catalogue for each type of such audiovisual materials.有些图书馆对这类视听资料中的每一种都备有单独的目录.Would you please tell me how much this audiovisual disk is?请问这种声像带多少钱一盘?This paper presents an audiovisual c...
He introduced radio to the school to increase the children's awareness.他在学校开通广播，以提高孩子们的警觉性。He appealed to firms not to increase their prices unduly.他呼吁企业不要过度提高价格。That would increase Olympia & York's holding to ...