1·Agronomists studying the herb have discovered that it produces large amounts of histidine, an amino acid that, in test-tube solutions, renders these metals chemically inert.
研究这种药草的农学家发现，它会产生大量的组氨酸，这种氨基酸在试管溶液中会使这些金属具有化学惰性。
2·Inert gases like neon and argon have eight electrons in their outer shell.
像氖和氩这样的惰性气体，在它们的外电子层有8个电子。
—— 《柯林斯英汉双解大词典》
3·And, although you think that nitrogen, I mean, it's an inert gas.
尽管你认为那是氮气，我的意思是，它是一种惰性气体。
4·What if I had a little bit more A, in the presence of the inert gas?
我稍稍增加A的量会怎么样，如果在存在惰性气体的情况下？
5·After undergoing careful inspection for further erosion in 2003, the document was resealed in a titanium casement filled with inert argon gas.
2003年，经过对进一步腐蚀情况仔细检查之后，这份文献重新密封于充满惰性氩气的钛制匣子里。