Sigurd
n. (北欧神话中的英雄)西格德
🗣️ 情景例句
The costs of college get higher every year.
学费逐年增加，越来越贵。
He's concentrating on learning English.
他集中精力学英语。
By infecting animals and letting them loose in the burrows,
通过让染上此病的动物在洞内乱跑，