mechanical pencil
US /məˌkæn.ɪ.kəl ˈpen.səl/
UK /məˌkæn.ɪ.kəl ˈpen.səl/
1.
自動鉛筆
a pencil in which the graphite lead is held in a retractable or replaceable mechanism rather than being sharpened
:
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I prefer using a mechanical pencil for drawing because of its consistent line thickness.
我更喜歡用自動鉛筆畫畫，因為它線條粗細一致。
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He clicked the top of his mechanical pencil to extend the lead.
他按了一下自動鉛筆的頂部，把筆芯伸出來。