英语语法分析

Iron and steel is divided by thickness; the heftier pieces fetch a higher price.

铁和钢的则按照厚度分放，因为那些大块的可以卖得一个更高的价钱。

Wages have been rising at 10-15% annually, but recently workers have begun to demand even heftier increases.

工资每年增长10%-15%，但是工人们开始要求更快的增长。

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。