Heavy oil engine
[機] 重油發動機, 笛塞爾機
?? 詞語組成解析
heavy
['h?vi]
adj. 重的，沉重的;大量的，濃密的;激烈的;重型的;
n. 重物;莊重的角色;
adv. 密集地;大量地;笨重地;
oil
[??l]
n. 油;石油;油畫;燃油;
vt. 給…加油;
vi. 化成油;
engine
['end?in]
n. 發動機，引擎;工具;火車頭;機車;
vt. 給…安裝發動機;
??? 情景例句
Second,
第二，
How much does packing take up of the total cost of the goods?
包裝占貨物總成本的百分比是多少？
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨頭則雕琢成針和工具，牙齒用來作項鏈。