Se---apart
South Carolina’s secession was imitated by ten other states and led to the formation of the confederacy.
南瞳罗莱纳州退出联邦为其他十州所仿效，导致南部联邦的形成。
The signers of the Declaration of Independence, if captured by the enemy,would probably have been tried for sedition.
独立宣言的签署者如果被敌人抓到了，可能因叛乱罪名而被审判。
When Abraham Lincoln was elected President in 1860,South Carolina seceded from the Union.
当亚伯拉罕，林肯在一八六零年当选为总统时，南卡罗莱纳便退出联邦。
Ann was so upset by her failure in math that she secluded herself and refused to see anyone.
安因为数学考不及格而心烦，所以她把自己隔绝起来，拒绝见到任何人。
In most high schools,boys and girls attend the same classes,except in health education,where they are segregated.
大部分的中学生都是男女生一块上课，只有上体育课的时候才把他们分开。
Are you worried about passing the midterm exam,or do you feel secure?
你在担心怎么度过期中考的事，还是你根本就很放心。
Land in a growing city is a secure investment.
在一个逐渐扩大的都市里，地产是一种安全投资。