它被发现是一种致敏物质(敏化剂)，对某些人能引起严重的反应。
It has been found to be a sensitizer and causes severe reactions in some people.
发现一颗新的行星和在地球上找到一种新的物质，是同样了不起的收获。
Finding a new planet and finding a new material on earth is a great harvest.
铬是一种重要的矿物质并非总是发现饮食。
Chromium is an important mineral not always found in the diet.
该小组研究了在红茶、绿茶、乌龙茶和香红茶中发现的一种化学物质。
The team studied a chemical found in black, green, oolong and pekoe tea.
科学工作者已经发现了一种新物质。
A new kind of substance has been found by the scientific workers.
科学工作者已经发现了一种新物质。
A new kind of substance has been found by the scientific workers.
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