/nɒt ||; nɑt/noun[C] 1 a place where two ends or pieces of rope, string, etc have been tied together 结；结子: to tie/untie a knot 打╱解开结子 ☞picture at loop 见loop插图
2 a measure of the speed of a ship; approximately 1.8 kilometres per hour 节（船的航速单位，约为每小时1.8公里）