1.supply to 供给，提供
例句：The blood supply to the skin is reduced when muscles stiffen.
当肌肉变得僵硬时，皮肤的供血量就减少了。
2.supposed to do sth. 认为应该做某事，认为必须做某事
例句：I'm not supposed to do a lot of things.
我不该干的事多了。
3.susceptible to (sth.) 易受……影响的；敏感的，过敏的
例句：Children are susceptible to various illnesses.
孩子易患各种疾病。
4.suspend from 悬挂，吊起；（作为一种处分）暂令……停止参加活动，暂时剥夺……的特定权利
例句：These small animals can suspend from the branches by their tails.
这些小动物可以用尾巴将自己倒挂在树枝上。
5.sweep up 打扫，清扫（房间等）；扫去，掸去（灰尘等）
例句：Get a broom and sweep up that glass will you?
拿扫帚把那些玻璃清扫干净好吗？
6.sweetness and light 和蔼可亲，温文尔雅，友善
例句：It has not all been sweetness and light between him and the Prime Minister.
他和首相的关系并不总是那么愉快融洽。