A complex sentence is a group of words which expresses two or more unified thoughts, one of which is the main or principal thought dependent on it one or more subordinate thoughts. 老师好!这里的dependent on it中的it是不是多余了?
为什么[l]和[r]遇到[s][p][t][k]之后就从voiced变成voiceless了?In English,the sounds [l] and [r],which are usually voiced,are voiceless when they follow [s][p][t][k],as in slay,pray,tray,clay. 这是为什么?
求教曹老师,对于夸克语法大全中的“缩写和符号(Abbreviations and symbols)”中的副词的位置的符号,如下所示:I(initial position of adverbial)M(medial position of adverbial)E(end position of adverbial)iE(initial-end position of adverbial)iM(ini...