<img><br>1. 元音:1) [I:] sea, he, see, piece, ceiling2) [I] sit, build, miss, myth 3) [e] bed, desk, 23) [tF] child, teach, catch 24) [dV] joke, bridge 25) [ts] boats 26) [dz] goods 27) [tr] tree<br>students,sports……一般以t结尾的单词的复数都是,还有以t结尾的单词的三单形式.<br>tsunami [tsu:'nɑ:mi;tsu:'nɑ:mi:] knots knot [nɔts]