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
I know, but it's still a dream come true.
我知道 但这终究是一个梦想实现了。
The school is two miles straight ahead.
那学校一直向前两英里。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。