基本解釋不擁擠 松動英漢例句雙語例句Make sure check the bolt and nut before testing run. and if they become less crowded, fastening again.試車前務(wù)必檢查所有螺栓、螺母是否有松動,若有松動的螺栓、螺母必須重新緊固。Such pandemics will become more frequent as ecosystems become more crowded , less varied and more fragile.隨著生態(tài)系統(tǒng)更為擁擠,物種減少并變得更脆弱,大流行病會愈加平凡,隨時爆發(fā)。become less crowded更多例句