Arnulf
n. 阿努尔夫（神圣罗马帝国皇帝）
🗣️ 情景例句
You know what?
知道吗？
It is better to wear out than to rust out.
与其锈掉，不如用坏。
It later became apparent that rabbits were developing a degree of resistance to this disease,
后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，