Biodegradability
生物可降解性
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
Sober up!
清醒点！
he saw two thieves rush out of a shop and run towards a waiting car.
看到有两个小偷从一家商店里冲出来，奔向等在那里的一辆汽车，