1. 他的植物學教科書中對那題目的敘述不充分。
   The coverage of the subject in his botany text is inadequate.
2. 我對大多數(shù)生物學科尚有了解，可是談到植物學時，我卻一竅不通。
   I have a fair knowledge of most biological sciences but I have a blind spot when it comes to botany.
3. 我們在中學的時候就學過植物學。
   We have studied botany in our middle school.
4. 學習植物學使我對大自然了解了許多。
   In learning botany, I understand much about nature.

植物的英語翻譯：

學的英語翻譯：