This is a clear demonstration of how technology has changed.这清楚地表明了技术已有了怎样的进步。He gave a demonstration of the new technique then and there.他当场表演了这种新的操作方法.The book is a demonstration of scholarship without pedantry.这本书表现出学...
他想要友好的时候会非常友好。He could be very pleasant when he wanted to.他的礼物是很友好的表示，这值得称赞。His gift was an extremely kind gesture. Credit where credit's due.他们俩的脸上都流露出真挚友好的表情。There was a sincere expression of friendliness on both ...
"Oh," he said carelessly. "I'm in no hurry to get back."“噢，”他漫不经心地说道，“我不急着回去。”He answered carelessly and flippantly.他回答的时候漫不经心，没当回事。She was fined £100 for driving carelessly.她因开车违章，被罚款100英镑。...