721. see/view/regard/consider as 把...当作，看做...
I regard this as a serious matter.
722. seek comfort 寻求安逸；追求安逸
Where do I seek comfort when I am under stress and discouraged?
723. sensible of 觉查到
I am sensible of his danger.
724. sensitive to 对...敏感
Some people’s teeth are highly sensitive to cold.
725. set a good example to sb. 为某人树立榜样
The engineer worked very hard, and set a good example to other people.
726. set a trap 设陷阱
Mary set a trap for Peter and he really fell into the trap.
727. set about (doing sth) 开始，着
I will set about preparing supper.
728. set down 记下，记入；放下，卸下
Old Walter is setting down his memories of village life.
He set down the bag and rested for a while.
729. set fire to 使燃烧，点燃
They set fire to the house, and it was burnt to the ground.
730. set off (doing sth) 动身，出发；引起，使发生
Tom and I set off early in the morning.
An explosion was set off by the burning gas.