减轻定义
laying before───提交
all along the line───处处
belaying pin───n.缠索栓
belaying pins───n.缠索栓
framing device───帧位调整装置
laying aside───搁置;储蓄;留存
laying down───放样;指定
laying in───切树腿
playing down───贬低;降低;减少