tween

英 [twiːn] 美 [twin]

tween (prep.): also 'tween, c. 1300 as an abbreviation of between. As a noun meaning "child nearing puberty" (approximately ages 9 to 12), attested by 1988, in this case by influence of teen. Tolkien uses it in "Lord of the Rings" for "the irresponsible twenties between [Hobbit] childhood and coming of age at thirty-three." Earlier in this sense was subteen (1952). Related: Tweens. Tweenie or tweeny was a term (late 19c.-early 20c.) for "between-maid, a servant who assists two others" and was used in reference to other persons or objects in intermediary situations. And 'tween-age (adj.) was used in descriptions of clothing from 1937. Tween-ager is attested from 1946.

1. Adding 0.1 % Tween - 80, Triton - 100 , or EDTA to the culture markedly improved GAL activity.: 在培养基中添加0.1%的Tween-80 、 Triton -100 和EDTA均能显著地提高α - 半乳糖苷酶产量.

2. But many investors fall somewhere be - tween these two extremes.: 但很多投资者介于两者之间.

3. The relationship be - tween grain size and fractal dimension is investigated.: 考察了晶粒度与分维之间的关系.

4. Or be - tween investing your money in Singapore or Malaysia?: 该把钱投资于新加坡还是马来西亚?

5. Is innocence the difference'tween a boy and a man?: 一个男孩和一个男人之间的区别就在于单纯吗?