become less crowded
常见例句
- Make sure check the bolt and nut before testing run. and if they become less crowded, fastening again.
试车前务必检查所有螺栓、螺母是否有松动，若有松动的螺栓、螺母必须重新紧固。 - Such pandemics will become more frequent as ecosystems become more crowded , less varied and more fragile.
随着生态系统更为拥挤，物种减少并变得更脆弱，大流行病会愈加平凡，随时爆发。 返回 become less crowded