Silence across the room. A pen drops somewhere in the classroom, sounding like a hammer.

整个教室沉默。有支笔在教室的某个角落掉落，听起来象是铁锤。

youdao

Silence across the room. A pen drops somewhere in the classroom, sounding like a hammer.

整个教室沉默。有支笔在教室的某个角落掉落，听起来象是铁锤。

youdao