Snellen's sign
[医] 斯内伦氏征(突眼性甲状腺肿的一种眼征)
🧩 词语组成解析
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
That woman is very creative; she weaves her own cloth.
那位女士非常有创作欲，她自己织布。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。