单词 | pencil lead |
例句 | DEFINITIVE EXAMPLES 权威例句〔lead〕My pencil lead was broken.我的铅笔心断了。文馨英汉〔lead〕My pencil lead was broken.我的铅笔心断了。英汉大词典Both diamonds and pencil lead, or graphite, are made of pure carbon.钻石和铅笔芯,或石墨都是用纯碳制成的。剑桥国际 |
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