flossing/flɑː.sɪŋ/名词用牙线清洁(牙缝)Regular flossing is essential for healthy gums.经常用牙线清洁牙缝对保持牙龈健康有必要。刻意引人注目(或仰慕)Stop your flossing - nobody cares about your clothes.停止你的拔牙行为 - 没人在乎你的衣服。想跟读,去练习