例句與造句

1. Monocots with broad leaves and reticulate leaf veins, typical of dicots, are found in a wide variety of monocot families : for example, " Trillium ", " Smilax " ( greenbriar ), and " Pogonia " ( an orchid ), and the Dioscoreales ( yams ) . " Potamogeton " are one of several monocots with tetramerous flowers.
2. It's difficult to find tetramerous flower in a sentence. 用tetramerous flower造句挺難的