致敬: to salute, to pay one's respects to, to pay tribute to, to pay homage to...
清明: clear and bright, sober and calm, (of a government or administration) well ordered...
王国: kingdom, realm...
滞后: to lag behind...
动物: animal...
沟通: to join, to connect, to link up, to communicate...
未来: future, tomorrow, approaching, coming, pending...
不以为然: not to accept as correct (idiom); to object, to disapprove, to take exception to...
班级: class (group of students), grade (in school)...
修长: slender, lanky, tall and thin...