例句與造句

1. They begin as leaf rudiments and many kinds accumulate nutrient materials for storage, starting to give up their stored material as the plant begins to germinate.
2. Recent studies have shown that the detrimental effect of varicocele on sperm production is progressive and due to reduction in supply of oxygenated blood and nutrient material to the sperm production sites, which persistently reduces the quality and the quantity of the sperms, leading to reduction in their fertility capacity with time.
3. The underground part of the stem has two tubers each one more or less deeply divided into several lobes ( a characteristic of the genus " Dactylorhiza " ), the first one plays the important functions of supplying the stem, while the secondary ones collect nutrient materials for the development of the plant that will form in the coming year.
4. The underground part of the stem has two webbed tubers each one more or less deeply divided into several lobes or tubercles ( characteristic of the genus " Dactylorhiza " ), the first one plays the important functions of supplying the stem, while the second one collects nutrient materials for the development of the plant that will form in the coming year.
5. It's difficult to find nutrient material in a sentence. 用nutrient material造句挺難的