n. 分子;微小颗粒
网络 克分子; 微粒; 微小颗粒
The DNA molecule is compounded from many smaller molecules.
脱氧核糖核酸分子是由许多更小的分子组成的。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由两个氢原子和一个氧原子构成。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合组成一个水分子。
The atoms bond together to form a molecule.
原子结合形成分子。
Simply stated, a gas molecule can "evaporate" from a planet if it reaches a speed known as the escape velocity.
简单地说,如果气体分子达到逃逸速度,它就能从一颗行星上“蒸发”。