Difficulties
n. 困难( difficulty的名词复数 ); 难度; 难事; 麻烦
🗣️ 情景例句
You came very close, Ellen.
差了一点点， Ellen。
After death, the doctor.
放马后炮。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。