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请翻译解释以下句子He was trying to find a use for chicle.(Ps 这里为什么不用u

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请翻译解释以下句子
He was trying to find a use for chicle.
(Ps 这里为什么不用use of 呢?for 在这什么意思)
2.Chicle is a Spanish word for the sap.
3.He worked for a long time trying to make rubber from chicle ,but he never discovered a way to make it work.
4.He and his son had been chewing chicle while they were working on the rubber.
5.It was not until 1928 that Walter Diemer found a way to improve chew gum by making bubbles that were not sticky.
请翻译解释以下句子He was trying to find a use for chicle.(Ps 这里为什么不用u
他试图寻找树胶的一种用处
chicle是树液的西班牙语说法
他花了很长时间试图用树胶制作橡胶,但他始终没有发现使之成功的方法
他和他的儿子在橡胶上工作的时候一直在嚼树胶
直到1928年Walter Diemer才通过做出不粘的泡泡找到了一种改善口香糖的方法