多年来,用的较多的固定剂是动物制品龙涎香 、 香猫香 、 麝香、以及河狸香.For many years the leading fixatives were the animal products ambergris, civet, musk and castoreum.河狸寻找造窝的场所时是很挑剔的.A beaver looking for a building site is very choosy.其他一些因素也有助于河狸的活跃...
Education should be geared to the children's needs and abilities.教育应适应儿童的需要和能力.Institution of such schools was geared to these needs.这种学校的建立是与这些需要相配合的。The party is all geared up for the forthcoming election campaign...
Although the wooden handcart is rough, it is very practical.板儿车虽然简陋, 但也很实用呢.The circuit breaker replacement is extremely simple, handcart interchangeability good.断路器更换非常简单, 手车互换性好.Steel bracket tray, storing cage, materi...
天文学家们过去一直感到奇怪,为什么只有土星有光环.Astronomers used to ask why only Saturn has rings.“土星族”飞行器可以分为三类或三组.The Saturn family of launch vehicles falls into three types or groups.数值例子大多数取自“土星V”飞行器的研究.Numerical examples are mostly taken ...
Waterspouts and hailstorms occur infrequently , while snow and tornadoes are rare.水龙卷和冰雹偶有出现, 降雪和陆龙卷则属罕见.Tornadoes can pick up objects, animals and even people sometimes.龙卷风会卷走物品 、 动物,甚至于人类.And there is concern it could ...
I was stung on the arm by a wasp.我的胳膊给黄蜂蜇了一下。She lifted her foot and squashed the wasp into the ground.她抬起脚，把黄蜂踩扁。The dog went berserk when a wasp stung him.狗给黃蜂咬了,变得狂暴。Rub ointment onto the wasp sting.在黄蜂刺伤处涂些药膏。It is t...