The fire won't burn because the flue is blocked up.因烟道堵塞火烧不起来.The flue has become sooted up.烟道里都是黑灰.If the flue overdraws, all the heat goes right up the chimney.如果风管抽风过度的话, 热量就会从烟囱直接跑掉了....
They could not afford to spoil those maps by careless colouring.若是上色的时候不小心弄坏了那些地图，他们可承担不起。Choose shades which tone in with your natural colouring.选择与你本身的肤色相衬的颜色。We'd been making cakes and colouring the posters.我们一直在...
用杵和臼，将麸皮磨成粗粉。Using a pestle and mortar, pulverise the bran to a coarse powder.她用手指杵他的肋部把他叫醒。She prodded him in the ribs to wake him up.他自己动手用研钵和杵把冰糖研成粉。He ground the rock candy with a mortar and pestle....
导线的两端联接到裂环整流器.The two ends of the wire are connected to a split - ring commutator.同步 低频 整流器与推挽整流器相似.The synchronized low - frequency rectifier is similar to a push - pull rectifier.低谐波 、 高功率因数 、 带有滤波器件的整流器.Low harmonics,...