抑郁症会降低人体对疾病的抵抗力。Depression lowers the human ability to cope with disease.人体主要是由骨骼、肌肉和脂肪构成。The body is made up primarily of bone, muscle, and fat.细胞不断地分裂更新，这是人体发育过程的一部分。Cells divide and renew as part of the human growth p...
Students were protesting at overcrowding in the university hostels.学生抗议大学宿舍过于拥挤。They were formally protesting.他们正式提出抗议。Bess shrieked with protesting laughter from the front room.贝斯在前屋尖声笑着喊道.She ran to us, protesting it h...