Thioindigo
硫靛蓝
🗣️ 情景例句
Oh, who could that be?
啊，这会是谁呢？
Poor without debt is better than a prince.
穷人无债胜王子。
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。