人气: popularity, personality, character...
承载: to bear the weight, to sustain...
紧紧: closely, tightly...
防疫: disease prevention, protection against epidemic...
客户: client, customer...
喜悦: happy, joyous...
结构: structure, composition, makeup, architecture...
阿姨: maternal aunt, step-mother, childcare worker, nursemaid, woman of similar age to one's parents (term of address used by child)...
火车: train...
并非: really isn't...