column of twos的用法和样例：
- This was a gain to Phileas Fogg of two days since his departure from London, and he calmly entered the fact in the itinerary, in the column of gains.
- She angled her column of chitchat toward teenagers.
- Line up in column of twos.
- It was all of two miles to the beach.
- A byte composed of two binary elements.
- Can you add up this column of figures?