🧩 词语组成解析
abbr. 炼油工程师(Petroleum Refining Engineer)
confederation
[[kənˌfedə'reiʃən]]
n. 同盟, 联盟, 组织联盟
🗣️ 情景例句
Good-bye, Susan.
再见, Susan。
If I buy that car, I'll have to use all my savings.
如果我要买那辆车的话,我必须用尽我的积蓄。
The bison skins were sent by rail to cities to be sold.
野牛皮用火车运到城里出售。