Alfacalcidol
阿法骨化醇
🗣️ 情景例句
555-9470…and it's still busy.
555-9470……又忙 。
Would you mind getting together sometime?
你可以找个时间大家一起聚聚吗？
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。