Unpressurized
非承壓的, 不加[增]壓的
??? 情景例句
It was a gradual process, involving many factors.
這是個(gè)漸進(jìn)的過程，涉及到方方面面。
He who makes no mistakes, makes nothing.
不犯錯(cuò)誤，成不了事。
Soon the hobby leads to travel, perhaps to a meeting in another town, possibly a trip abroad in search of a rare specimen, for collectors are not confined to any one country.
用不了多久，有這種愛好的人便開始旅行，也許是去另一個(gè)城市參加會(huì)議，也可能是出國(guó)尋找一件珍品，因?yàn)槭詹丶沂遣环謬?guó)籍的。