1·Fifth graders tended to focus on features of individual eagles.
五年级学生倾向于关注老鹰个体的特征。
2·The researchers asked fifth graders and college students to create a recovery plan to protect bald eagles from extinction.
研究人员要求五年级学生和大学生制定一个保护秃鹰免于灭绝的恢复计划。
3·In 1986, the southern Regional Education Board gave a test to eleventh graders in five southern states.
1986年，南方地区教育委员会对南方的五个州的十一年级学生进行考试。
4·The earthquake struck on May 12 at 2:28 in the afternoon as 20 fifth graders were rehearsing a dance on the basketball court in front of the school.
5月12日下午两点28分，当地震发生时，有20名五年级学生正在篮球场上排练舞蹈。
5·These fourth graders are studying in their native Arabic though their coursework follows Turkey's curriculum.
虽然课程是按照土耳其的课程进行，但这些四年级学生正在学习自己国家的阿拉伯语。
1·Check bulldozers, cranes, graders and other heavy construction, agricultural, logging and mining equipment for proper performance and inspect equipment to detect faults and malfunctions.
检查推土机，起重机，平地机等重型工程，农业，伐木和采矿设备，确保良好性能，检查设备，以排除故障和性能缺陷。