Lesson 59 Is that all? envelope an envelope 一个信封 writing paper 信纸 write 写——writing paper 纸 a piece of writing paper 一张信纸 shop assistant 售货员 shop 商店 assistant 助手 size n. 尺寸,尺码,大小 large small pad 信笺簿 i pad glue 胶水a bottle of glue 一瓶胶水 chalk 粉笔a piece of chalk 一支粉笔a box of chalk 一盒粉笔 change n. 零钱(不可数) v. 改变 New Words 生词 envelope 信封 writing paper 信纸 shop assistant 售货员 size 尺寸,尺码 pad 信纸簿 glue 胶水 chalk 粉笔 change 零钱