Umg
abbr. upgraded metallurgical grade 高级冶金级; urinary milk of calcium 尿中钙乳
🗣️ 情景例句
What do you do for a living, Mr. Stewart?
你是做哪一行的 Stewart先生？
Fighting one's own.
起内哄。
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。