Jk
n. 工作, 作业；杰克（等于jack）
🗣️ 情景例句
There's nothing wrong with hard work.
刻苦没错。
Learn young,learn fair.
为学趁年青，既学须学好。
And Chinese, Korean, Filipino and Indian engineers are graduating in droves from California's colleges.
中国、韩国、菲律宾和印度的工程师一批批地从加州的大学毕业。