access barriers使用: make use of; use; employ; ap ...的: 4次方是 The fourth power of 2 i ...阻礙: hinder; block; impede; imped ...機(jī)會(huì)的阻礙: opportunity barriers后發(fā)生的阻礙球: snookered after a foul下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
