Heteroplanobios
河流漂浮生物
🗣️ 情景例句
What's the problem?
是什么问题？
A ready way to lose friend is to lend him money.
失友都因借钱起。
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。