Helpfulnesses
(helpfulness 的复数) n. 有益；有助
🗣️ 情景例句
Robbie pulled a boy out of the water.
Robbie从水中救出一个孩子。
My son wants to be a policeman when he grows up.
当他长大时，我的儿子想要成为一个警察。
Good morning, doctor.
医生，早上好。