zhè / zhǒng / cái / liào / yán / zhǎn / xìng / hǎo / shì / hé / yòng / lái / zhì / zuò / xì / cháng / de / jīn / shǔ / sī这种材料延展性好,适合用来制作细长的金属丝。This material has good ductility and is suitable for making thin, long metal wires.