Deuteriocarbon
氘化碳, 氘烃
🗣️ 情景例句
Richard, this is Mitchell Johnson.
Richard，这是Mitchell Johnson。
Please quote us as soon as you receive our inquiry.
请接到我们的询价单后马上给我们报价。
Is it Albert Einstein?
是阿尔伯特·爱因斯坦吗？