Snellen's chart
[医] 斯内伦氏视力表
🧩 词语组成解析
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
Do they have children?
他们有孩子吗？
They come in cases of five.
它们是五个一箱。