Extensions
n. 扩展, 扩张；延长（extension的复数）
🗣️ 情景例句
Sounds great.
听起来不错。
I ask him to take this medicine.
我要求他吃药。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，