Ethines
[化] 炔烃
🗣️ 情景例句
How fast can my mail be received?
我的信件多快会被收到？
Does John have a yellow pencil?
约翰有一支黄铅笔吗？
and you can be sure that none of our five advisers would have suggested sinking all(or perhaps any) of your money into Periwigs.
可以相信5位经纪人中不会有人建议你把全部（或一部分）资金投入佩里威格斯公司。