suffer [ suf- ( sub-) = under 在…下面；fer = to bear 承受to bear under 在…下面忍受着”→]v. ① undergo or experience 遭受；经历 / The party suffered a serious defeat in the last election. 该党在上次选举中遭到惨败。②bear with patience; endure 忍受；耐住/ I will not suffer such insults.我无法忍受这 样的侮辱。

suffering n. 受苦，遭难；痛苦，苦难 

sufferance n. 忍耐；忍受；忍耐力；容忍

suggest [ sug- (sub-) = from under 自下;gest = to bring 送=>“to bring from under to someone 自下呈送上来 v. bring up for consideration; propose 提议；建议 / I suggested a swim, and they all agreed.我提议去游泳，他们全同意了。

suggestion n. 建议，意见；暗示，联想 

suggestive a. 暗示的；启发的

support [ sup- (sub-) = from under 在下；port = to carry 承担=>“to carry from under 在下面承担”→]v.① bear the weight of; hold up 支撑 / Walls support the roof.墙支撑着屋顶。② keep up; help 支持 / Hope supports us in time of trouble.在困 难之时，希望支持着我们。

supportable a. 能支持的；可忍受的

最后各举一例表示派生前缀sub-与单词结合的各种含义。

submarine [ sub- = under 在…之下；marine n. 船舶→]n. a boat that can go under water 潜水艇 / An atomic submarine can sail around the world without surfacing. 原子能潜水艇可不浮出水面作环球航行。

subtropics [ sub- = near 近；tropics n. 热带=>“areas near the tropics 在热带附近的地区”→]n. regions bordering on the tropics 副热带，亚热带 / This plant only occurs in some forests of subtropics. 这种植物只出现在某些亚热带的森林中。

subtropical a. 副热带的，亚热带的