Odontia incrustans
[医] 牙垢
🧩 词语组成解析
[医] 牙痛, 牙病
🗣️ 情景例句
I really must be going now.
现在我真的该告辞了。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
In 1892 the age of mass arrivals began, during which 15 million new people passed through Ellis Island into the USA over a period of 62 years.
1892年开始了一个国外移民大量涌入的年代，在随后的62年中，有1，500万新来的人通过埃利斯岛进入美国。