Girls' 100-metre race: first -- Wu Dong!

女子100米赛跑：第一名--吴东！

I'm afraid some people forgot to sweep the floor.

它不如平时干净，恐怕是一些人忘记扫地了。

I haven't forgotten anything, she said to herself. But then it was time to pay for them.

“我什么也没忘记，”她自言自语地说。但接着该是她付钱的时候了。

This machine joins the metal pieces together, he said.

“这台机器把金属片焊接起来，”他说

Have they ever been there before?

他们以前去过那儿吗？

It's made of metal and wood.

是用金属和木材做的。