生物医药大词典
英文: Installationrequires several days.
中文: 安装工程需时数日.英文: The price of these commodities varies from several to several hundred dollars.
中文: 这些商品的价格从几美元到数百美元不等.英文: The prices of the goods range from several to several hundred sollars.
中文: 这些商品的价格从几美元到数百美元不等.英文: He had several sudden alterations in consciousness preceded by dizziness for several weeks.
中文: 他数星期来，有好几次在眩晕前，意识突然发生变化。英文: The prices of these goods range from several dollars to several hundred dollars.
中文: 3这些商品的价格从几美元到数百元不等。