Modernizer is an essentialtools for moving forward with HTML 5.
Modernizer对于推进HTML 5来说是一个必要工具。
2
Only later did other scientists and engineers turn those discoveries into essentialtools for today's world.
只有到后来，其他的科学家和工程师才把那些发现转化为今天我们这个世界所用的基本工具。
3
Rather, they are trying to focus attention on cognitive faculties that go beyond intelligence - what they describe as the essentialtools of rational thinking.