Rangingsonobuoy
测距声纳浮标
🗣️ 情景例句
You're much thinner since the last time I saw you.
你比我上次见你的时候瘦多了。
That's track 1 at 9:45.
1轨道，9点45分开。
He has made neat paths and has built a wooden bridge over a pool.
他修筑了一条条整洁的小路，并在一个池塘上架了一座小木桥。