in a book的用法和樣例：
例句
- He knows it very well because he have stud it up in a book.
他對這個(gè)問(wèn)題很了解，因為他為此曾在一本書(shū)中查閱過(guò)。 - Peter's always got his nose in a book.
彼得總是專(zhuān)心地看書(shū)。 - He was sitting with his head buried in a book.
他坐著(zhù)埋頭看書(shū)。 - Inscribe your name in a book please.
請在書(shū)上簽名。
