“at presentation”造句，怎麼用at presentation造句

Significant falciparum parasitemia had been identified at presentation in both cases.

The tumor is often mistaken for a pulmonary thromboembolism at presentation, and the surgical treatment is usually delayed.

There is always the danger of the "meeting specialist" who is adept at presentation.

When that topic is accepted, he then learns all he can for that presentation.