1. This pocket calculator needs two batteries.
    这个袖珍计算器需用两节干电池.

2. My daughter smokes. While she is doing her homework, her feet on the bench in front of her and her calculator clicking out answers to her geometry problems,
    我的女儿会抽烟。她做家庭作业时，脚搁在前面的长凳上，计算机嗒嗒地跳出几何题的答案。