世界级: world-class...
中学生: middle-school student, high school student...
写作: to write, to compose, writing, written works...
治疗: to treat (an illness), medical treatment, therapy...
大会: general assembly, general meeting, convention...
跟: heel (of the foot, a shoe, etc)...
脱落: to drop off, to come off, to lose (hair etc), to omit (a character when writing)...
附带: supplementary, incidentally, in parentheses, by chance, in passing, additionally, secondary, subsidiary, to attach...
直达: to go nonstop to, through (as in through train), nonstop...
茶叶: tea, tea leaves...
