sidereal day恒星日(23时56分)Tropical year, and sidereal year are two different concepts.回归年与恒星年是不同的两个概念.sidereal hour恒星时(恒星日的 1/24)sidereal time恒星时sidereal year恒星年(365日6时9分9秒)The sidereal year is not used to construct a calen...
Breakfast television arrived in British life precisely a decade ago.准确地说，早间电视节目于10年前进入英国人的生活。Jennie had sat opposite her at breakfast.珍妮吃早餐时坐在她对面。Manual workers need a good breakfast for high-energy output...体力劳动者身体消耗巨大，...
Conopomorpha sinensis Bradley is a main pest insect on litchi and longan.荔枝蒂蛀虫是荔枝和龙眼的重要害虫.One hundred million rats are killed each year by pest exterminators.每年灭鼠人员都会杀死1亿只老鼠。In the insect pest of balsamine, the mainest i...