pieyvonne

哦，还有一道：

The distinguishing feature of a fluid, in contrast to a solid, is the ease to deform a fluid / with which a fluid may be deformed. 为什么第二个对？为什么用with 不用 by?

pieyvonne

为什么阿？

pieyvonne

The chemical composition of sandstone is the same as that of sand / what of sand ?

pieyvonne

哦，我明白了

好强啊。。。

vagrant

can是罐装的意思，动词

说的是罐头食品

vagrant

这句话省略了一些成分，完整的句子应该是：When (food is canned by using) proper methods, food suffers no loss in vitamins or another nutritive elements 这下你能看明白了吧？