飛躍する
JN1;JVE
make rapid progress / strides / (of progress) making rapid strides / (of progress) make a great advance / (of progress) making a great advance / (of progress) make great strides / making rapid progress / (of progress) making great strides / (of progress) taking a great leap / progress / (of progress) take a great leap / (of progress) make rapid strides
