Beard's disease
[医] 比尔德氏病, 神经衰弱
🧩 词语组成解析
🗣️ 情景例句
Thank you, Mr. Tom. The same to you.
谢谢，汤姆先生。也祝你圣诞快乐！
May I have the check,please?
我可以检查一下,好吗？
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。