今天我们要学的词是pitch in. pitch in(v.) 的意思是努力参与、投入。

音标：

pitch[英 [pt] 美 [pt] ]

例句：

As parents feel the stress of juggling working from home and home schooling their children during the COVID-19 pandemic, grandparents arepitching into help. 家长们在新冠病毒大流行期间感受到在家里一边上班，一边辅导孩子学习的压力，祖父母们正积极提供帮助。

Employees of Major League Baseball teams, including players, executives and stadium workers, arepitching infor a 10,000-person coronavirus study designed to map the spread of the virus in cities across America. 美国职业棒球大联盟球队的员工，包括球员、高管和体育馆工作人员，都在积极参与一项针对一万人进行的旨在了解冠状病毒在美国各城市传播情况的研究。

今日打卡：

文末下方留言pitch in完成打卡哦（造个句子最好啦），坚持每天打卡，和周老师一起进步哦！