Keratome
[医] 角膜刀
🗣️ 情景例句
Lacks maturity.
不成熟。
Misforunes come on horseback and go away on foot.
遭灾易，消灾难。
In 1975, a primitive machine called the Altair, was launched in the USA.
1975年，美国推出了一台被称为“牛郎星”的原始机型。