Rickett's organism
[医] 立克次氏体
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Richard, and good luck. See you in two weeks.
再见， Richard， 祝你好运。两周后见。
John and I are old friends.
我和约翰是老朋友了。
Thank you all for coming.
谢谢光临。