sharpening
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* danh từ- sự mài sắc
Định nghĩa tiếng Anh
v make sharp or sharper\nv make crisp or more crisp and precise\nv become sharp or sharper\nv put (an image) into focus; we cannot enjoy the movie"\nv make (images or sounds) sharp or sharper\nv raise the pitch of (musical notes)\nv give a point to\nv make (one's senses) more acute