expression双语例句：
1、These expressions are often used interchangeably, but they do have different meanings.
这些表达方式经常相互替代使用，但它们的含义却有所不同。
2、From Cairo came expressions of regret at the attack.
开罗对此次攻击表示遗憾。
3、She spoke in a quiet voice but used remarkably coarse expressions.
她说话声音很小，但是用了些特别粗俗的字眼儿。
4、I couldn't see Helen's expression, because her head was turned.
我看不到海伦的.表情，因为她转过头去了。
5、The silence lengthened. Bella's expression was inflexible.
沉默了良久，贝拉的表情依然很坚定。
