Tetraxonida
四轴海绵目
🗣️ 情景例句
I'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我们一般不采用信用卡。
He's a cook.
他是厨师。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。