Aeriscope
超光电摄象管, 爱利管
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
What we do willingly is easy.
世上无难事，只要肯登攀。
I feel terrible.
我感觉糟透了。