Operose
a. 费力的, 吃力的, 勤勉的, 用功的, 冗长乏味的
🗣️ 情景例句
Yes. Very much.
是的， 非常爱。
Oh, thank you.
噢，谢谢了。
Duck, and like them the pigeons, are endowed with such-like muscles, that are a good part of the weight of the bird,
野鸭及它们相似的鸽子有天赋的钢铁般的肌肉，占了体重的很大一部分。