词汇	liftoff distance
释义	liftoff distance 离地距离
随便看	two type of self two-type-risk Poisson process two-types two types and one mode two-types cultures two type social two type society two-type society two-type-society two types of agriculture two types of areas two types of chemical balance two types of city two types of contradictions Two types of direct expansion coil are used two types of disequilibrium Two types of emptiness two types of errors Two types of insect-resistant genes two types of production two types of repair facilities Two types of social two types of societies two types of society two types social