We have a very communicative approach to teaching languages.我们在语言教学中非常强调交际教学法。The path serves as an approach to the boat house.这条小路通往船屋。We have to develop a less amateurish approach to our organisa-tions.我们必须使我们对待自己组织的态度...
Hydrocarbons ( HC ), like carbon monoxide, represent unburned and wasted fuel.碳氢化合物 ( HC ) 像一氧化碳一样, 为未燃尽的和被浪费掉的燃料.With this restricted frequency range it is not applicable to hydrocarbons.这个较紧缩的频率范围不适用于烃类.These compounds...