汤姆跑的速度是迈克的二倍。

Tom runs twice as soon as Mike.

youdao

这是一种性别决定的方法，叫做单倍二倍体。

This is a method of sex determination known as haplodiploidy.

youdao

证据表明，卫氏并殖吸虫的二倍体型和三倍体型虫株的蛋白质及其抗原性之间存在着高度的同源性。

The evidence demonstrated that there was extensive homology of the proteins and antigens between diploid and triploid Paragonimus westermani.

youdao

What probabilities are associated with thinking it's twice as likely they're going to choose Left than Right?

那么在选左是选右的可能性的二倍时,选择每个策略的概率是多少呢

耶鲁公开课 - 博弈论课程节选

Double that, times by two, this is the money I will be making in one month.

再翻倍，乘以二，这将是我在一个月赚到的钱。

哈佛公开课 - 幸福课课程节选

Cereal would be--a serving of cereal would be about the amount that would fit in a wine glass, but people think that you fill up a bowl and that becomes a serving, but a typical amount of cereal that people serve themselves might be two or three times what the ordinary size is.

这是一餐份量的麦片,放在酒杯里大概那么多,但人们认为满满一碗才是一份,人们通常所食用的麦片,是原来大小的二到三倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选