及物动词
1.
1. He was speculating that this might be his last chance.
他推测这可能是他的最后一次机会了。
不及物动词
1. She speculated about her friend's motives.
她猜测她朋友的动机。
2. It's dangerous to speculate.
做投机买卖是很危险的。
3. speculate什么意思
3. He speculated successfully in mining shares.
他做矿业股票投机获得成功。