(yng)îI(y)W(xu)W(wng)Ӎ
иx~R俼һֱԁDZ^ܠhԒ}ЩJиx~R俼ҪӢZļˮƽЩ˄tJиx~ԽԽ@ɷNe`ġ҂Ԕ˽иx~RЌI(y)~RĜ(zhn)ϣ
иxҪ֪һcI(y)~R@٣^Ǻy܌~R
1.иx~RƫڌI(y)|(zh)ԭ@ӣиԇǞ˿ӢZˮƽܷCڴW(xu)W(xu)(x)I(y)֪R˿ă(ni)ƫ،W(xu)g(sh)ķģxҲĴW(xu)nĺ׃(ni)xȡڱ~ĕr?q)ڌW(xu)g(sh)~
2.иxČI(y)~Ry@cҲǺȻģиһTӢZˮƽԇֲnjI(y)ԇy^ČI(y)~Rxд_F(xin)ǿă(ni)˼Ժز³eӣIt should be obvious that cetaceans--whales, porpoises, and dolphins--are mammals@OGx}еһԭ@Ԓеcetaceanһ^I(y)o豳Ć~ֻҪJRwhalesdolphinsmammals֪cetaceanˮ()@ஔ(dng)֪cetacean˼Ҫӛmammalwhaledolphin@N^õČI(y)~Rcetacean@NƧѾڱ@NDĆ~Ǻֵܲõ
2.иxČI(y)~Ry@cҲǺȻģиһTӢZˮƽԇֲnjI(y)ԇy^ČI(y)~Rxд_F(xin)ǿă(ni)˼Ժز³eӣIt should be obvious that cetaceans--whales, porpoises, and dolphins--are mammals@OGx}еһԭ@Ԓеcetaceanһ^I(y)o豳Ć~ֻҪJRwhalesdolphinsmammals֪cetaceanˮ()@ஔ(dng)֪cetacean˼Ҫӛmammalwhaledolphin@N^õČI(y)~Rcetacean@NƧѾڱ@NDĆ~Ǻֵܲõ