hours of sunshine的用法和樣例：
例句
- Otherwise, days with sand-dust had an important influence upon sunshine durations in spring.
另外，南疆春季沙塵天氣對日照時(shí)數有著(zhù)顯著(zhù)的影響。 - The degree of rice grain chalkiness increased with increasing mean temperature and sunshine duration from the south to the north during the grain ripening stage.
就中，米粒白堊質(zhì)之等級的試區變異方向與三試區稻谷粒充實(shí)發(fā)育期間外界之氣溫和累積日照時(shí)數之試區變化方向一致，呈由南而北依次遁增。
