Prebasic
molt(鸟类每年繁殖期后的)大换羽
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
Could you tell me where the nearest telephone is?
你能告诉我最近的电话在哪儿吗？
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。