Idioelectrics
非导体
🗣️ 情景例句
What currency do they use in U.S.A.?
在美国人们用什么货币？
Yesterday will not be called again.
光阴一去不复返。
But a watch could never repair itself----it does not consist of living parts,
但是，手表决不会自行修理，它不是由有生命的部件组成，