Barystrontianite
碳酸钼铋矿
🗣️ 情景例句
I'm in great need of your assistance.
我特别需要您的帮助。
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。
The speedboat had struck a buoy, but it continued to move very quickly across the water.
快艇撞上了一个浮标，但它仍在水面上快速行驶着。