“云母”造句

屬于這類物質的有云母 、 瓷器 、 石英 、 玻璃 、 木材等等.
To this class of substance belong mica, porcelain, quartz, glass, wood, etc.

瀝清鈾礦和銅鈾云母比純鈾的放射性強得多.
Pitchblende and chalcolite are much more radioactive than uranium itself.

它不能通過云母這樣的不透水的物質.
It could not pass through material impervious to water such as mica.

• #云母