This dope is made by colophony liquid, minusion powder and other materials, besmearing this dope on the cigarette high-penetrated molding paper or spraying in the silk ties to make the mouth stick.
该涂料由树脂液、负离子粉等材料配制而成，将该涂料涂布在卷烟高透成型纸上或喷洒在丝束上制成嘴棒。
2
We can write out what it is for any certain atom or ion x, X so it's just x plus an electron gives us x minus.
我们可以用，X，来表示一个任意的原子或离子，因此可以写成，X，加一个电子等于负一价的。
3
The experiments were made possible by a novel, one-layer ion trap cooled to minus 269 C (minus 452 F) with a liquid helium bath.