4周搞定2000+托福核心词
alphabetical = alphabet(字母) + ical(…的) = 按字母（表）顺序的
alphabetically = alphabet(字母) + ical(…的) + ly(表副词) = 按字母顺序地
听觉的
acoustical
常考释义
Now, a tree should be a huge acoustical challenge for a bat, right?
那么，树木对于蝙蝠来讲应该是很大，且声学挑战极高对吧？
来源于：听力OFFICIAL7 L2adj. 听觉的,声学的
This system can set up acoustical resonances.
这种系统能产生共鸣.
Now, let’s talk about the other end of the acoustical spectrum, sound that is too high for humans to hear — ultrasound.
现在我们来讲讲另一种声谱，一种极高的乃至人类听不见的声音——超声波。
来源于：听力OFFICIAL7 L3Now, a tree should be a huge acoustical challenge for a bat, right?
那么，树木对于蝙蝠来讲应该是很大，且声学挑战极高对吧？
来源于：听力OFFICIAL7 L3So musical instruments evolved in ways that optimize their acoustical properties, how the instrument vibrates and sends those vibration through the air to our eardrums.
乐器朝着优化他们声学特性的方向发展，乐器是如何震动并且将这些震动通过空气传播到我们的耳膜。
来源于：听力OFFICIAL27 L3But it’s generally thought that the acoustical quality of modern violins doesn’t live up to the quality of the vintage ones.
但是，大家普遍地认为现代小提琴的音质比不上古老的。
来源于：听力OFFICIAL27 L3以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
