| 1. | Photoreactivation systems have been found in many organisms from bacteria to marsupials .
在从细菌到有袋类动物的许许多多有机体中，已经发现光致反应系统。 |
| 2. | In marsupials, such as opossum and kangaroo, the life span of the corpus luteum is similar in pregnant and nonpregnant females .
在有袋目动物中，如负鼠和袋鼠，妊娠和非妊娠母兽的黄体存在时间相似。 |
| 3. | Koala bears and kangaroos are the most common marsupials
无尾熊和袋鼠是最普遍的有袋动物。 |
| 4. | The koala is a nocturnal , tree dwelling marsupial mammal
考拉属喜夜间活动的、居于树上的有袋类哺乳动物。 |
| 5. | The koala bear is not classified as a bear , but as a marsupial
考拉熊不是分在熊类动物里，而是分在有袋动物类。 |
| 6. | Colugos resemble marsupials in that their young are born early in embryonic development
像有袋动物一样，猫猴的宝宝在胚胎发育早期就出生。 |
| 7. | The marsupial has been in decline for decades due to urban sprawl and from car accidents and dog attacks
这种有袋其数量在过去几十年间逐渐减少，主要原因是城市的扩张、车祸和狗的袭击。 |
| 8. | Keeping these fleet - footed marsupials away from their crops and water supplies has become a constant battle
如何驱逐这些脚步敏捷的有袋动物远离他们的农作物和水源，已成为一场持续的战斗。 |
| 9. | The marsupial has been in decline for decades due to urban sprawl and from car accidents and dog attacks
这种有袋动物其数量在过去几十年间逐渐减少，主要原因是城市的扩张、车祸和狗的袭击。 |
| 10. | Has no natural predator but has been in decline for decades due to urban sprawl and from car accidents and dog attacks
这种有袋动物并没有自然天敌，但其数量在过去几十年间逐渐减少，主要原因是城市的扩张车祸和狗的袭击。 |
