Helium can provide a protective atmosphere in the production of reactive metals, such as titanium and zirconium.
在活泼金属，如钛和的锆生产中，氦可以提供保护性气氛。
A Novel Reaction of 10-Methylacridinium with Reactive Metals under Grinding
10-甲基吖啶盐与活泼金属在固相研磨条件下的新颖反应研究
It is in order the first the most lively that the metal on this list is arranged, but final one not lively.
这张单子上的金属排列顺序是第一个最活泼，而最后一个最不活泼。
The metal in the table is arranged according to its lively level, and the most lively row is the first, and not lively row is final.
表中金属按其活泼程度排列，最活泼的排在第一位，最不活泼的排在最后。
The metals in the list are arranged with the most active first and the least active last .
表中金属早这样排列的：最活泼的排在第一个，最不活泼的排为最后一个。
Most effort to control corrosion involves coating the metal with an inactive substance.
大多数防锈措施都要给金属涂上一层不活泼的物质。
ginger up a fund-raising campaign
使资金筹募活动更为活泼
Polypropylene is chemically inert and compatible with all window frame materials.
聚丙稀是一中不活泼的化学原料，所以能和所有的金属窗框架很好的配合在一起。
She is wise, and active too.
她又聪明，又活泼。
The form is free and lively.
此形式自由、活泼，
a lively, smart conversation.
一次活泼，机敏的谈话
The child is lively as well as healthy.
这孩子既健康又活泼。
I like the vibrancy of her character.
我喜欢她的活泼性格。
The conversation was enlivened with jokes.
笑话使谈话变得活泼。
the liveliness and pleasingness of dark eyes- T.N. Carver.
黑眼睛的活泼和愉悦。
Ammonia is a very reactive chemical.
氨是很活泼的化合物。
Lighthearted; gay.
轻松的,轻快的,活泼的。
"Marked by clarity, conciseness, and briskness"
明晰的、简洁的和活泼的