Cesium electron tube
[电] 电子管
🧩 词语组成解析
n. 铯\\n[化] 铯Cs
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Why don't you write to me, Robbie,
你为什么不给我写信呢 ，Robbie，
Purpose supposes foresight.
深谋远虑。
Soon the hobby leads to travel, perhaps to a meeting in another town, possibly a trip abroad in search of a rare specimen, for collectors are not confined to any one country.
用不了多久，有这种爱好的人便开始旅行，也许是去另一个城市参加会议，也可能是出国寻找一件珍品，因为收藏家是不分国籍的。