surd
surdity sure sure-enough sure-fire sure-footed sure-footedly sure-footedness surefire surely sureness surety suretyship surf surf-boat surf-riding surf-scoter surface surface-active surface-car surface-colour surface-cooled surface-harden surface-hardened surface-inactive surface mail surface-mail surface-man surface noise surface-printing |
surd /sə:d/
tính từ
danh từ
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