吃透英语课本,提升在校竞争力
adv. 粗心大意地;漫不经心地
名词:carelessness
形容词:careless
He carelessly left the door unlocked.
他很粗心,没锁上门。
"Oh," he said carelessly. "I'm in no hurry to get back."
"哦,"他漫不经心地说道,"我不急着回去。"
adv.粗心地;不注意地;无忧无虑地
sloppily
inadvertently