Obi
n. 宽腰带
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
All our garments are now poly-cotton, which is stronger, needs little ironing, and allows variations in patterns.
现在我们的服装都是涤棉料的，质地坚韧，不用熨烫并且花样繁多。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。