Achromobacteria
无色细菌
🗣️ 情景例句
What's inside?
这里面是什么？
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
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。