Jt
abbr. 连接（joint）；接合（joint）
🗣️ 情景例句
You don't know Jack Wang? You're hiking.
你不认识杰克王？看玩笑吧？
Take it. Otherwise you can't go on the trip.
喝了它，不然你不能继续旅行了。
and we know something of the great variety of the sea bed's topography.
而且我们对海底地形的千变万化也有了一定的了解。