B：Doesn't matter. I'll pick them up.
没关系。我来捡它们吧。
matter /?m?t?(r)/ v. 有关系；要紧 n. 事件；问题；物质
◆ by accident 不小心地；意外地；偶然地
把曲别针弄弯 twist a paper clip
A：Don't push too hard or you may twist the paper clip.
别推得太猛，不然你可能会把曲别针弄弯的。
B：But it's already crooked. Give me another one.
但是它已经弯了。再给我一个吧。
twist /tw?st/ v. 弄弯某物，扭曲或挤压某物使之变形
crooked /?kr?k?d/ adj. 弯曲的；扭曲的；歪的
15　黑板
blackboard /?bl?kb??d/
单数部落　一块黑板 a blackboard
复数部落　两块黑板 two blackboards
会话急救包
抬头看黑板
raise one's head and look at the blackboard
A：Please raise your head and look at the blackboard.