而且所有声频均有指向性,声频愈高, 指向性愈强.The higher the acoustic frequency is, the stronger its directivity is.它表现在空间生产力发展的继承性 、 指向性 、 加速性和国际性四个方面.The inheritance that its performance grows in dimensional productivity, directivity, accel...
Don't ask me how to make omelette; cooking isn't my metier.可别问我怎么摊鸡蛋, 烹饪不是我的专长.This delicious variation on an omelette is quick and easy to prepare...这种稍加变化的可口煎蛋卷做起来又快又容易。I can easily whip up an omelette.我马上就能做...
Total concentration is required with no distractions.要全神贯注，不能有丝毫分神。There are too many distractions here to work properly.这里叫人分心的事太多,使人无法好好工作.I find it hard to work at home because there are too many distractions.我发觉在家里工作...