Rickettsiae
rickettsia的复数形
🗣️ 情景例句
No. Will you also initial this change on page 2, please?
不，请你也在第二页变更处签姓名的一个字母好吗？
Is that girl a student?
那个女孩是学生吗？
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。