B: There are three kinds: full court pre , half-court pre and zone pre . Others are one-man-pre and two-man-pre .
B: There are three kinds: full court pre , half-court pre and zone pre . Others are one-man-pre and two-man-pre .
有三种：全场紧逼、半场紧逼及区域紧逼。除此之外，还有一人紧逼和双人紧逼。