日语外来语的音调规则

日语外来语在使用过程中，其音、意、形等与原语不太一致，尤其在音调上大不相同，但有一定的规律，它一般不打破日语音调的规则，是在日语音调规则的基础之上形成的。欧美语在日语化时，许多单词保留原语的音调；而与原语音调不同的外来语绝大多数其核的位置在从词尾数起第三个音节上；平板型外来语数量极少。

Tone rule of Japanese loanword

In the course of using Japanese loanwords,there is a little difference in sound,meaning and form from the source language,especially in tone.But there are some regularities.Ordinarily it doesn't break the regularity of Japanese tone.It is formed on the base of Japanese tone's regulations.While European language and African language are Japanized,many words are kept the tone of source language.The loanwords which are different from the tone of source language have mastly their key position on but the third sullable from which the suffix is enumerated.stereotyped loanwords are only a few.