灯丝在电灯中电加时成白炽状态。A fine wire is heated electrically to incandescence in an electric lamp.电子显微镜中的电子源,是一加热的灯丝.The source of electrons in an electron microscope is a heated filament.电子从热灯丝逸出,叫做热电子发射.The liberation of electron...
Several hundred soldiers have been seconded to help farmers.数百名士兵被临时派去帮助农民。The city of Chengdu lies some seven hundred miles to the South-East.成都市位于东南方大约 700 英里处。A barge was about a hundred yards away, waiting to return ...
这音乐能使你的双脚不由自主地跟着打拍子.This music sets your feet tapping.这首歌很动听，听着它你就会不由自主地在客厅里舞动，或是用脚打拍子。The song's so catchy it makes you bounce round the living room or tap your feet.老师弹曲子时,孩子们有节奏地击掌打拍子.The children clapped out a r...
He made a profession of friendship to his classmate Mary.他向他的同学玛丽表白了他的友情.His classmate do not enjoy his company because he always backbite others.他的同学不喜欢和他在一起,因为他老是在背后诽谤别人.Can you recommend a classmate who can take up th...
Charm: The power or quality of pleasing or delighting; attractiveness.魅力,魔力: 讨人喜欢或令人愉快的能力或品质; 魅力.Read a book being the pastime delighting person send leisure's away.读书是打发闲暇的悦人的消遣.Since 1991 our engines have been del...
He sat penitently in his chair by the window.他懊悔地坐在靠窗的椅子上。They sat talking and necking in the car for another ten minutes.他们在车里又坐了10分钟，边说边搂着亲热。He sat listening to the tick of the grandfather clock.他坐在那儿，听着落地式大摆钟嘀嗒作响。...