生物老师解释了子类如何适应分类系统。

The biology teacher explained how a subclass fits into the classification system.

我的生物老师怀特先生在上课前五分钟来到了教室。

My biology teacher, Mr. White, came to the classroom five minutes before the class began.

塔马兹是学校的生物老师也是园区负责人。

Leda Tomaz is the school's biology teacher and chief gardener.

生物老师问班上有没有人知道逆转录病毒这个词的意思。

OUR BIOLOGY TEACHER asked the class whether anyone knew what the word retrovirus meant.