他的脑袋非常大而且脑袋上有三只角。
我的文具盒不仅外表美丽,而且作用非常大。
My writing case not only looks beautiful but also plays a very large role.
大象体型非常大, 而且记性很好,它有长长的鼻子,我们叫它象鼻。
They are very big animals and have a long memory, and a very long nose called a trunk.
Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.
索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射
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