Landolt ring
[医] 朗多耳氏环
🧩 词语组成解析
[人名] 兰多尔特
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Thank you for asking.
谢谢你请我。
After the flood, the carpets were wet for a month.
洪水过后一个月，毛毡还是湿的。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，