Pneumocin
肺炎球菌素, 肺炎克氏杆菌素
🗣️ 情景例句
(a foreigner) Is that a special day?
（一个外国人）是一个特殊的日子吗？
Each man is the architect of his own fate.
命运掌握在自己手中。
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？