他开始砍树皮。He started to hack away at the tree bark.我将原木放到了地上，刨掉了树皮。I set the log on the ground and shaved off the bark.这种树很容易辨认，因为它有着非常漂亮的银色树皮。This tree is always recognizable by its extremely beautiful silvery bark....
They will change their tune when they find out the seriousness of the problem.当发现问题的严重性时,他们会改变态度的。Only later did he realize the full seriousness of his offence.他后来才意识到他的罪行有多严重。As time went on, people came to be aware of ...