1.impurity n.杂质,不洁,不纯
例句:The water is clear from impurities.
这水干净无杂质。
2.carve v.雕刻,切开,开拓
例句:Please carve me another slice.
请再给我切一片。
3.constantly ad.不变地,不断地,时常地
例句:I am constantly shocked at how little talented people earn.
我常常吃惊为什么有些人才华过人却只挣到很低的收入。
4.gracefully adv.优美地
例句:The girls in this class deport themselves gracefully.
这个班上的女孩举止娴雅。
5.exchange v.交换,调换,兑换;交流,交易
例句:They appointed a place to exchange experience.
他们约定一个地方交流经验。
1.The chemical quality of glass is what makes up its color.
make up弥补,虚构,缝制,整理,包装,和解,编辑,化妆 补足,拼凑,补考
例句:I'll make up a prescription for you.
我给你开一张药方。
He worked overtime to make up for his lateness for work.
他加班以补偿上班迟到。
2.The clay inside is carefully cut out to form a glass container.
cut out故障,停止,开辟,戒掉;剪去,切下;略去,省略
例句:With a few snips she cut out a paper doll.
她几下就剪出一个纸娃娃。
Fold the side seam under and cut out the armhole.
折叠侧缝线并剪下袖窿。
3.Or, he or she can place the hot glass on a metal table called a marver to shape the form by rolling it back and forth.
back and forth来来往往地,来回地
例句:Someone was pacing back and forth behind the curtain.
有人在幕布后踱来踱去。
The dog's tail lashed Back and forth.
狗尾前后摇摆。