Jk
n. 工作, 作业；杰克（等于jack）
🗣️ 情景例句
It is.
是的。
At 6 o'clock sharp.
6点。
In September 1888 at the age of 19, he sailed to England and after three years' study became a lawyer.
1888年9月，他19岁时乘船去了英国，并在3年的学习之后成为一名律师。