Parallel intervals of a fifth, octave or unison are traditionally prohibited in four-partwriting.
五度，八度或一度音程平行传统上在四声部作品中禁用。
2
However, if Guujaaw's language and others like it are going to stay alive, writing may have to become part of their lives.
然而，如果古加瓦的语言和其他类似的语言想要继续存在下去，写作可能必须成为他们生活的一部分。
3
As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea does seem peculiar.