1·Instead of making a clean break, water evaporating from treetops tugs on the remaining water molecules, with that tug extending from molecule to molecule all the way down to the roots.
从树梢蒸发的水并没有彻底地分解，而是拉住了剩下的水分子，这种拉拽作用从一个分子延伸到另一个分子，一直拉到根部。
2·The unique hydration formula helps water molecule permeate deep skin.
独特补水配方，有利于水分子渗入皮肤深层。
3·The water molecule is made up of two hydrogen atoms and one oxygen atom.
水分子由两个氢原子和一个氧原子组成。
4·When a neutrino interacts with a water molecule another particle is generated.
当一个中微子与一个水分子相互作用，另一个粒子就产生了。
5·If one hydroxyl steals other's hydrogen atom, it will turn into water molecule.
如果其中一个羟基抢断对方的氢原子，它会变成水分子。
6·the rest of the water molecule becomes a pair of hydrogen atoms, which is also useful).
其余的水分子变成仍有用的一对氧原子。
7·In a semiheavy water molecule, one hydrogen atom (H) is replaced with a heftier version called deuterium (D).
在半重水的水分子中，一个氢原子（H）被一个称之为氘（D）的氢原子的同位素所取代。
8·Water is actually quite simple, but the way the water molecule is formed gives water its unique properties.
水事实上是非常简单的，但是水分子的构成赋于水独特的性质。
9·However, each time of plants take in one molecule of carbon dioxide gas, it losses hundreds of water molecules.
然而，当每次植物吸收一个二氧化碳气体分子时，它会损失许许多多的水分子。
10·An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids.
一类弱酸性有机合成物，分子中含有一个或更多羟基。