例句與造句

1. The pleurocystidia ( cystidia on the gill face ) are 15 29 by 5.5 8.8 ?m; clear, gray or brown in color, fusoid-ventricose to mucronate, sometimes with a median constriction, similar to the species " Psilocybe subaeruginosa"
2. It's difficult to find median constriction in a sentence. 用median constriction造句挺難的