今天我们要学的词是 pitch in. Pitch in is spelled P-I-T-C-H, pitch, and in, I-N, pitch in. pitch in 的意思是努力投入、参与。
As parents feel the stress of juggling working from home and home schooling their children during the COVID-19 pandemic, grandparents are pitching in to help.
Employees of Major League Baseball teams, including players, executives and stadium workers, are pitching in for a 10,000-person coronavirus study designed to map the spread of the virus in cities across America.
好的，我们今天学习的词是 pitch in, pitch in, pitch in ...