Isopycn
等体积线, 等容线
🗣️ 情景例句
He needs to work.
他需要工作。
Once on shore, we pray no more.
一旦上了岸，就不再祈祷。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。