like: 牙垢 → →
牙垢 [ya2 gou4] ☊ 
dental plaque ☊ 
Zahnstein, Zahnbelag (S) ☊ 
/plaque dentaire/ ☊ /plaque dentaire/ ☊ 牙垢 [ya2 gou4] ☊ dental plaque ☊ Zahnstein, Zahnbelag (S) ☊ /plaque dentaire/ ☊ /plaque dentaire/ ☊