前: front伺: watch; await; wait for式: type; style前似直锄齿: straight tine inclined forward前四史: twenty-four histories前松后紧: be slack at the beginning and have to speed up towards the end前四强: the semi-finals前送: ammunition advance前四品镇: qiansipinzhen前送料压力机: front loading press前四分之一弦点: forward quarter chord point前苏格拉底学派: the pre-socratics前四迭体: anterior quadrigeminal body; corpora quadrigemina anterior; corpus quadrigeminum anterius