Contrabass
a. 倍低音的\\nn. 倍低音弦乐器
✅ 同义词
🗣️ 情景例句
Oh, here are my certificate of merit.
哦，这里是我的获奖证书。
How many pieces are you going to order?
你要订几张？
The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.
大陆是崎岖不平的高地，高出辽阔海洋海底近三英里。