I sent three shirts today in the laundry and only two came back.
今天共送洗了三件衬衫，只送还了两件。
They were shown animated videos centering around numbers — for instance, one video showed eight frogs on lily pads; four jumped away at once, then two came back one at a time.
有些实验是一些和数字有关的动画，比如，某个视频里，有八只青蛙停在荷叶上，其中四只一下子跳的不见踪影，但两只马上又跳了回来。
Yes. I'm missing a shirt. I sent three shirts today in the laundry and only two came back.
是的，我丢失了一件衬衫。今天共送洗了三件衬衫，只送还了两件。
Yes. I'm missing a shirt. I sent three shirts today in the laundry and only two came back.
是的，我丢失了一件衬衫。今天共送洗了三件衬衫，只送还了两件。
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