摘要: boundary, border, frontier, rim, verge这几个名词都有"边界"的意思。boundary n.边界；界线。多指作为界线的标识物等。The fence marks the boundary between my land and hers.这道栅栏是我的地和她的地的分界线[阅读全文:]
摘要: brittle, fragile, frail, crisp, invalid这一组形容词都有"弱"的意思。brittle a.易碎的，易损坏的，通常是指坚硬的东西。The bones of elderly people become brittle and easily broken.老年人的骨头变得脆弱，[阅读全文:]
摘要: bewilder, puzzle, confuse, embarrass, perplex这一组词都有"迷惑"的意思。bewilder v.使困惑，使茫然，强调非常困惑，通常表现为心理和智力的紊乱，语气最重。He was fired without warning and is completely b[阅读全文:]
摘要: convert, invert, revert, transform这一组动词都有"转变"的意思。convert v.转变，变换，含有"使某人改变观点"的意思。He wants to convert to Catholicism.他要皈依天主教。invert v.使颠倒，使倒转，使反向。[阅读全文:]
摘要: credible, credulous, plausible这一组形容词都有"可信的"意思。credible a.可信的，可靠的。That the student told the teacher a credible story that she missed classes because she was sick.那个学生跟老师讲[阅读全文:]
摘要: dip, immerse, submerge这几个词都有"浸，浸入"的意思。dip v.浸，浸染，蘸。多指短时地将某物部分地浸到液体中，有小心翼翼的意思。The artist dipped his brush in the paint.艺术家拿画笔蘸了蘸颜料。immerse v[阅读全文:]
摘要: beam, chuckle, giggle, grin, jeer, laugh, roar, sneer这一组都有"笑"的意思，而它们之间的差别也是明显的。beam v.本义指照耀，放光，引申为"微笑"，是正式用语，指面带喜悦或笑容，暗示对他人的友好或内心的[阅读全文:]
摘要: base, foundation, ground这一组名词都有"基础"的意思。base n.指具体的有形的基础，也可指物体的底部、基部；基地，总部。They use their apartment in New York as a home base from which they travel frequent[阅读全文:]