进入睡眠状态时，我们的脑电波振幅慢慢变大。As we fall asleep the amplitude of brain waves slowly becomes greater.那个气球充气后就变大了.The balloon enlarged as we pumped air into it.这些巢每年都在变大，最终可能会把树枝压弯。These nests increase in size each year, and can ev...
旨在缓解失业冲击的项目进展得并不太顺利，参议员萨班斯对此表示关切。Senator Sarbanes expressed concern that programs designed to soften the blow of unemployment are not working well.我们可以想像检波器受几万个砂粒冲击的情景.We can imagine a seismic detector being bombarded by...