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1·Sarah was looking after the twins.

萨拉当时正在照看双胞胎。《柯林斯英汉双解大词典》

2·Ultrasound showed she was expecting twins.

超声波扫描显示她怀了双胞胎。《牛津词典》

3·The twins are so alike I can't tell which is which.

这一对双胞胎长得一模一样，我分不清谁是谁。《牛津词典》

4·The twins were dressed differently and one was thinner than the other.

这对双胞胎穿着各异，而且其中一个比另一个瘦。《柯林斯英汉双解大词典》

5·She had to contend with day care for her 2-year-old twins being cancelled.

她不得不就她两岁大的双胞胎日托被取消一事进行交涉。《柯林斯英汉双解大词典》

6·Non-identical twins are the result of two fertilized eggs implanting in the uterus at the same time.

非同卵双生胎是两个受精卵同时在子宫着床的结果。《柯林斯英汉双解大词典》

7·The twins brought a honey tart.

双胞胎带来了蜂蜜馅饼。

8·We look after the twins today.

我们今天照看双胞胎。

9·The twins are not from American.

这对双胞胎不是美国人。

10·The twins look exactly the same.

这对双胞胎看起来一模一样。

(1)conjoined twins联胎；联体双胎；联体双生儿

(1)fraternal twins异卵双生

(1)siamese twinsn. 暹罗双胎；连体婴