x
uploads/pencilling.jpg

pencilling 短語和例子pencil(l)ingn.1.鉛筆[毛筆]畫...

The so-called “lead“ in a pencil is not lead at all, but chiefly a different form of carbon called graphite . 鉛筆中所謂的鉛,并不是“鉛”,而主要是一種不同形態的炭,稱為石墨。

The so-called “lead“ in a pencil is not lead at all, but chiefly a different form of carbon called graphite . 鉛筆中所謂的鉛,并不是“鉛”,而主要是一種不同形態的炭,稱為石墨。

pencraft

The so-called “lead“ in a pencil is not lead at all, but chiefly a different form of carbon called graphite . 鉛筆中所謂的鉛,并不是“鉛”,而主要是一種不同形態的炭,稱為石墨。