sweetpotato的用法和樣例：
例句
- Thus, the utilization and protection of the landraces from Guangdong should be emphasized in sweetpotato breeding.
因此，在今後甘薯親本選配和品種保護上，應重點考慮該地區的地方品種。 - These results suggested that parents exchange between different areas should be strengthened in sweetpotato breeding in China.
因此，在未來甘薯遺傳改良中，可以通過加強不同薯區育種親本的交換，逐步改變目前中國育成品種遺傳基礎狹窄的局面。
