Pennatulacea
海鳃目
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
Would you tell Mr. Green that I called?
你能告诉格林先生我给他打了个电话吗？
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：