Pistonphone
[电] 活塞话筒
🗣️ 情景例句
See you later.
待会见。
Little pigeons can carry great messages.
少年也可以成大事。
In 1948, he went to Lake Kivu in the Congo to observe a new volcano which he later named Kituro.
1948年他去了刚果的基伍湖，对一座后来被他命名为基图罗的新火山进行观察。