But the progress shoreward was slow; the progress down-stream amazingly rapid.
But the progress shoreward was slow; the progress down-stream amazingly rapid.
然而，靠岸的速度很慢，顺流而下的速度却快得惊人。
But the progress shoreward was slow; the progress down-stream amazingly rapid.
然而，靠岸的速度很慢，顺流而下的速度却快得惊人。