Knottier
a. （指木材）多结节的( knotty的比较级 ); 多节瘤的; 困难的; 棘手的
🗣️ 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，这儿有急病患者，请派一部救护车来。
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。