Pneumococci
肺炎双球菌
🗣️ 情景例句
of forty-three years of on-the-job training.
关于我四十三年的工作经历。
Theings past cannot be recalled.
过去的事情无可挽回。
The body's tissues are self-repairing and self-restoring to a degree, and function best when more or less continuously active.
人体组织在一定程度上有自我修补和自我恢复的能力，有张有弛地连续活动时，其功能最佳。