CORE WORDS
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Etymology Explore the origin of the 'core words'.
Wordsense Learn about the wordsenses of the english term. Verbs Nouns Adjectives Pronouns Prepositions Conjunctions
TOPIK | STRAIN; EXERT; STRENGTHEN | | 用力，使劲，用劲 | 힘주다 | ちからをこめる【力を込める】 | dồn sức | CONCENTRAR FUERZA EN | |