一九一一年五月,發(fā)現(xiàn)“蜉蝣號(hào)”飛艇的升力不足.In May 1911 the Mayfly was found to lack sufficient lift to get airborne.橋面橫斷面可能由于過(guò)量的升力而發(fā)生扭轉(zhuǎn).The cross section of a bridge deck may twist as a result of excessive life.這一誘導(dǎo)氣流產(chǎn)生正的力矩,該力矩隨升力或迎角a的增加而增加...
He drank too much and is paying dearly for it.他現(xiàn)在正為酗酒付出沉重的代價(jià)。If he demands too much, the unions will vote him down.如果他要求太多，工會(huì)就會(huì)投票撤換他。People usually complain about having to deal with too much bureaucracy.人們經(jīng)常抱怨不得不應(yīng)付太多的繁文...
Some birds build nests of twigs.一些鳥用樹枝筑巢.A container made of interwoven material, such as rushes or twigs.用材料編成的容器 、 如用燈心草或小樹枝.Willow twigs are pliable.柳條很軟.The wind whistled through the twigs and fretted the occasional,...
The rice has been acclimated in this area.水稻已能適應(yīng)這一地區(qū)的環(huán)境.The process is repeated until a microbial culture acclimated to the specific industrial waste is developed.重復(fù)以上過(guò)程,直至微生物的培養(yǎng)液已達(dá)到馴化于特定的工業(yè)廢水為止.Don't worry. You are...
在那塊刻有哈考特·西布利醫(yī)生姓名的久經(jīng)風(fēng)雨的黃銅牌映襯下，門柱更增添了幾分莊重。The gatepost was dignified by the weathered brass plate of Dr Harcourt Sibley.哈考特港尼日利亞南部城市,位于伊巴丹東南部的尼羅河三角洲.A city of southern Nigeria in the Niger River delta southeast of Ibadan.哈...
Iron corrodes unless it is greased or kept clean.如果不涂油或保持清潔鐵便會(huì)腐蝕.Acid rain destroys trees and corrodes buildings.酸雨毀壞樹木，腐蝕建筑物。I do not know why acid corrodes the metal.我不知道酸為什么腐蝕金屬....