Thermionic ion source
[化] 热离子源
🧩 词语组成解析
a. 热离子的\\n[电] 热离
ion
['aiən]
n. <物>离子;
source
[sɔrs]
n. 根源，本源;源头，水源;原因;提供消息的人;
vt. （从…）获得;发起;向…提供消息;寻求（尤指供货）的来源;
vi. 原料来源;起源;寻求来源;寻求生产商（或提供商）;
source(rise)→泉源；源头
🗣️ 情景例句
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
What shall I send him for his Christmas?
我要送他什么东西作为圣诞礼物？
To her horror he said that she was two hours too soon.
搬运工说她早到了两个小时，她听后大吃一惊。