| 1. | I ' m having a hard time keeping up in my biology class
我拼命地想不落下生物课。 |
| 2. | I like biology more than i first thought
我比当初想象的要更喜欢生物课。 |
| 3. | I have biology classes on tuesdays and thursdays
我周二，周四上生物课。 |
| 4. | I can ' t . um , i ' m late for my biology actually
我不行。嗯，我的生物课我已经迟到了。 。 。 |
| 5. | I have biology classes on tuesday and thursday
我周二，周四上生物课。 |
| 6. | I have biology lessons on tuesday and thurday
我周二，周四上生物课。 |
| 7. | I can ' t . um , i ' m late for my biology actually . .
我不行。嗯，我的生物课我已经迟到了。 。 。 |
| 8. | In my biology class , we are studying the dna molecule
在我的生物课上，我们在学习dna分子。 |
| 9. | 10th grade biology . brachial artery
10年级的生物课有讲手臂主动脉 |
| 10. | All freshman year biology ,
一年级的生物课 |
