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toothbrush (n)/ˈtuːθ.brʌʃ//ˈtuːθ.brʌʃ/A small brush with a long handle, used for cleaning the teeth.bàn chải đánh răng  They carried only two tins of food each and toothbrushes. Dentists recommend changing your toothbrush every three months. The toothbrush bristles should be soft to prevent gum irritation. Travel-sized toothbrushes are convenient for people on the go. Từ vựng khác:suntan , suncream , swimsuit , unspoilt , comment |