Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。To reduce heat losses the pipes are covered by thermal insulators.为了减少热散失,管子外包保温层.Crystals may be insulators, semiconducto...
Crystals may be insulators, semiconductors, or conductors.晶体可以是绝缘体, 半导体, 或导体.Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。Polluted insulators may flashover at any time...
In rodeo, cowboys and cowgirls participate in calf roping, bull or bronco riding, and steer wrestling.在马术竞技会上, 男牛仔及女牛仔会参加的项目包括了套小牛、无鞍骑乘野马或野牛及追牛扳倒.Chubby, a smallish , charcoal - gray 6 horse , had been a tri - state 7 ro...
他们使劲拽开后座车门，跳进了她的车子。They wrenched open the passenger doors and jumped into her car.他做好了准备要跳进冰冷的脏水里。He braced himself for the icy plunge into the black water.孩子们正无所顾忌地脱光衣服跳进海里。The children were brazenly stripping off and l...
Radio waves control everything from cellphones to automatic door openers.从手机到电动门,几乎所有东西都要由无线电波来控制....one of those can openers that hooked onto the wall.那些挂在墙上的开罐器中的一个It's in the right - hand drawer, next to the bott...
The Prime Minister has been briefed by her parliamentary aides.首相已听取了她议会助手的简要汇报。The carpet was a wedding present from the Prime Minister.这张地毯是首相送的结婚礼物。The Prime Minister has promised that Israel will play a constructive ...