the discovery of Indo-European began with the work

问题描述:

the discovery of Indo-European began with the work
the discovery of Indo-European began with the work of ________.
2.speech sounds can be descdibed in physical or a_______ terms.


the discovery of Indo-European began with the work of ____research____.
印欧系的发现开始于调查工作.
speech sounds can be descdibed in physical or a____mental___ terms
这句单词有误,无法回答,望完善回答.
不懂继续问.不好意思,是described,后面是空,所填词以a打头,谢谢anthropographic 人类志的终于想起来了,应该是这个。翻译是: 语音可以描述为一种身体上或者人类志的术语。亲是学语言的吗?俺这还好多不会了,能请教么。。。业余爱好 这样学起来不累。