song song 
parallel like: parallel → →
parallel ☊ 
song song, đồng thời ☊ 
☊ parallel ☊ 平行的 ☊ píng xíng de Teile das Brett und zeichne parallel zueinander sechs Löcher auf. ☊ Hãy phân chia những tấm ván và đồng thời lược đồ theo sáu cái lỗ. ☊ (Lektion 46, Nr. 660) parallel lines ☊ line ☊
parallel lines ☊ parallel ☊
parallel to/with sth: The road and the canal are parallel to each other. ☊ parallel ☊
The road runs parallel to the river. ☊ run ☊