Electroscope
n. 验电器\\n[化] 验电器
🗣️ 情景例句
a way to encourage reading.
鼓励阅读的办法。
She can only speculate on the amount of damage done.
她只知道推测损失额的方法。
He put a glass dish with sugar water and honey to the west of the hive. A marked bee fed itself from the dish and returned to the hive.
他在蜂箱的西面放一个装有糖水和蜜蜂的玻璃碟子。