【文章內(nèi)容簡(jiǎn)介】
time. ? 半導(dǎo)體器件沒(méi)有燈絲,因此不需要加熱 功率 和加熱時(shí)間。 ? A car needs a lot of power to go fast. ? 汽車(chē)高速行駛需要很大 動(dòng)力 。 ? Streams and waterfall are suitable for the development of hydroelectric power. ? 溪流和瀑布適合用于開(kāi)發(fā)水電 能源 。 ? The nucleus is the information center of the cell. ? 細(xì)胞核是 細(xì)胞 的信息中樞。 ? He was imprisoned in a cell. ? 他被關(guān)在監(jiān)獄的 單人小牢房 中。 ? In the center of the spacious workshop stood a cell with packets of block anodes. ? 在寬敞的車(chē)間中央有一個(gè)裝有一組組陽(yáng)極板的 電解槽 。 ? When the ends of a copper wire are joined to a device called an electric cell a steady stream of electricity flows through the wire. ? 當(dāng)把一根銅絲的兩端連接到一種叫做 電池 的電器上時(shí),就會(huì)有穩(wěn)定的電流流過(guò)該銅絲。 ? 試譯下列各句,注意根據(jù)詞類(lèi)確定劃線(xiàn)詞的詞義: ? Aluminium is light and strong so that it is widely used in aircraft industry. ? Like charges repel, while unlike charges attract. ? It is the atoms that make up iron, water, oxygen and the like. ? A magic field is build up round the coil. ? Small as atoms are, electrons are still smaller. ? Key: ? 鋁既輕又堅(jiān)硬,所以廣泛用于航空工業(yè)。 ? 同性電荷相斥,異性電荷相吸。 ? 正是原子構(gòu)成了鐵、水、氧等等。 ? 線(xiàn)圈周?chē)纬闪艘粋€(gè)磁場(chǎng)。 ? 原子雖小,但電子卻更小。 ? 試譯下列各句,注意根據(jù)上下文確定劃線(xiàn)詞的詞義: ? When sunlight falls on the leaves of plants, it is transformed into chemical energy. ? There is no physical contact between workpiece and tool. ? The amount of work is equal t