单词学习：pit 名词/动词
pit
/pɪt/
n. 坑；矿井；凹陷；陷阱；斗兽场；果核 v. 使凹陷；使留下疤痕；使竞争
Mr. Gu carefully removed the pit from the cherry before eating it.
顾老师在吃樱桃前仔细地取出了果核。
单词卡片
卡片已就绪
