Nonsystem
n. 缺乏有效组织的体系
🗣️ 情景例句
but to help with the paint job.
还要帮忙粉刷。
Do you enjoy watching your babies grow into people?
目睹子女长大成人是一件快乐的事情吧？
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。