1·They've broken off their engagement.
他们突然解除了婚约。
—— 《牛津词典》
2·I've broken off my engagement to Arthur.
我已经解除了于阿瑟的订婚约定。
—— 《柯林斯英汉双解大词典》
3·The back section of the plane had broken off.
飞机尾部脱落了。
—— 《牛津词典》
4·She has broken off her engagement to Charles.
她已解除同查尔斯的婚约。
—— 《牛津词典》
5·The two West African states had broken off relations two years ago.
这两个西非国家两年前已终止了关系。
—— 《柯林斯英汉双解大词典》
6·"It looks as if a big branch had been broken off," said Colin.
“看起来，好像有一根大的树枝折断了。”科林说。
7·New work suggests that a chunk appears to have broken off and got lodged between the two ocean slabs like a deer swallowed by a python.
最近的研究认为，有一个板块已经折断形成，夹在两个海洋板块之间，就像被蟒蛇吞下的一头鹿。
8·Every time the Chromosome divides—every time one cell divides into two—pieces of the ends of the Chromosome, the telomere, get broken off.
当每次染色体分裂时——即当每次一个细胞分裂成两个时——染色体的尾部，也就是端区，就会发生断裂。
9·Unlike a thorn, a prickle can be easily broken off the plant because it is really a feature of the outer layers rather than part of the wood, like a thorn.
与刺不同，皮刺能够被轻易地从植物茎上剥落，因为它仅仅是植物外层的一种特征，而不像刺那样是树木的一部分。
10·So after each division, the telomeres get shorter and one of the things that may happen after a while is that pieces of the genes themselves get broken off the Chromosomes.
每次分裂后，端粒变短一段时间后可能发生的一件事是染色体上的基因片段会断裂。