1.
To make a bid, bet, or lead in starting a game of cards.
第一个叫牌，第一个下注，第一个打牌
2.
The seeond integral is easier to approximate than the first one.
第二个积分比第一个积
3.
The first word sounds like no.
第一个字音像 no 。
4.
First, the role of initiators.
第一个，带头作用。
5.
The first word is snow.
第一个字是“snow”。
6.
Cabbage is first, onions are second, peas are third.
第一个是卷心菜，第二个是洋葱，第三个是豌豆。
7.
First, unification on the basis of the War of Resistance.
第一个，统一于抗战。
8.
Panorama The first patient comes out, a second patient goes in.
（全景）第一个病人出来，第二个病人进去。
9.
Amy was the first to arrive and Mary was the next.
艾米第一个到，玛丽是第二个。
10.
I was the first to arrive, and she was the second.
我是第一个到的, 她是第二个.
11.
The first one that I looked at was not good, and neither was the second ( one ).
我看的第一个不好，第二个也不好。
12.
Nothing less than the first was required to soften the second.
要驯服第二个就非第一个不行。
13.
A second breach followed naturally from the first.
第二个缺口是第一个缺口的自然结果：
14.
The second integral is easier to approximate than the first one.
第二个积分比第一个积分更易于接近。
15.
The first exercise is a little more difficult than the second one.
第一个练习比第二个练习稍微难些。
16.
The first transfinite number.
阿列夫零第一个超穷数
17.
And your first initial?
您全名的第一个字母？
18.
The first letter of a word.
字首单词的第一个字母