Pneumococcemia
肺炎球菌血症
🗣️ 情景例句
That's alright. You're a lot of help.
没关系。你帮了很大的忙。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
Excuse me! Is this your pencil-box?
请问，这是你的铅笔盒吗？