我在努力教史努比坐直
我来给他做个示范
行了，有什么好笑的？
他笑疯了
生词表 (点击“发音”获取单词发音)
sit up
to sit with a straight back 坐直
How manytimesdo I have totellyou tositupstraight?孩子们，我已经告诉你们多少次了要坐直？
demonstration
the act of showing someone how to do something, or how something works
演示，示范
Let me give you a demonstrationofhow thecameraworks.让我来给你演示一下照相机的工作原理。
all right
hysterics
uncontrolled laughter 狂笑
He was hilarious- he had us all in hysterics.他可真滑稽——逗得我们大家狂笑不止。
