英汉双语例句-生物医药大词典

They observed the most common chemical reaction among a family of reactions on the DNA molecule that are linked to sunburn, and discovered that this key reaction happens with astounding speed -- in less than one picosecond, or one millionth of one million

中文意思：
他们观察到发生被晒伤的DNA分子上发生系列反应中最普遍的化学反应，并且发现这种反应速度惊人—至少以每皮秒或者每秒百万分之一的速度。

以下为相关句子列表(点击查看，可以看对应的解释）：

	They nurture their relatively rare offspring with a large investment of parental care—milk, shared food and water, and protection from predators.			野生马子代的数量不多，因此亲代照顾较为周全，包括充足的母乳、食物和水，以及保护子代不受掠食动物攻击。
	They obeyed him because they were passive now.			他们乖乖地依了他的话，此时此刻他们已经毫无主见。
	They obeyed their father and mother, and his son worked so hard that he won a very high position in the government, bringing honor and glory to the whole family.			孩子们都遵从父母的教诲，特别是王先生的儿子，他工作非常努力，在政府里做到非常高的职位，为整个家庭带来了荣耀。
	They observe ancient custom and habits.			他们遵守古风俗与习惯。
	They observe as many as twelve festivals a year.			他们一年的节日有12个之多。
	They observed the most common chemical reaction among a family of reactions on the DNA molecule that are linked to sunburn, and discovered that this key reaction happens with astounding speed -- in less than one picosecond, or one millionth of one million			他们观察到发生被晒伤的DNA分子上发生系列反应中最普遍的化学反应，并且发现这种反应速度惊人—至少以每皮秒或者每秒百万分之一的速度。
	They observed the oscillations of the helium as it twisted back and forth on the end of a metal rod.			他们让氦在金属杆两端前后扭动，观察它振盪的情形。
	They obtained a loan from the government.			他们从政府那里得到一笔贷款。
	They occupy the house next door.			他们住在隔壁.
	They occur in string theory as fields, rather like the electromagnetic field, that can adjust their values dynamically.			它们在弦论中以场的形式产生，就像是电磁场一类，可以动态地调整它们的数值。
	They occur mainly in the poppy family, the buttercup family, and the nightshade family of plants.			这些含生物碱植物基本属于罂粟科，毛茛科和茄科植物。