Tension on the biceps as the muscle lengthens.

二头肌被拉伸时承受着拉力。

But in another we're actually lengthening it.

可是从另一种意义上讲我们实际上是在延长她寿命。

The district had a proposal to lengthen the school day by an extra 20 minutes.

学区提议将上课时间延长20分钟。

Well, yeah. Because pregnancy can actually lengthen and widen a woman's feet.

嗯，也需要。因为怀孕确实能让女人脚变大变长。

It also encourages unimaginative policy, whereby the retirement age is occasionally moved as lifespans lengthen.

这种想法还缺乏创意政策，仅随寿命延长偶尔变更退休年龄。

You can lengthen your beard by pulling on it.

你可以扯着你胡子来量有多长。

The afternoon passed, and evening came. Shadows lengthened.

下午过去，傍晚来临。影子拉长。

The odds against it have lengthened.

胜算可能性延长了。

Lengthen days in the sun's warmth fuel huge blooms of plankton feasted on by many.

白日渐长，温暖滋养着浮游物大量繁殖，供养了许多其它物。

A cellist is always shortening and lengthening the strings.

大提琴演奏家总是在压缩或拉长弦。

Non kinetochore microtubules lengthen, pushing the centrosomes farther apart.

非动粒微管变长，将中心体推向更远距离。

Open your chest and again lift and lengthen up.

打开你胸腔，再次抬起并拉长。

Winter will pass, the days will lengthen, the ice will melt in the pasture pond.

冬天过去，白昼又变长，牧场池塘冰要融化。

They'd lengthened waiting periods before purchase.

他们延长了购买前等待时间。

Tuck your pelvis and lengthen through the lower back. Breathe in.

收腹，延展下背部。吸气。

The first two, shortening muscle fibers and lengthening them, generate opposing forces.

前两种包括收缩型肌肉纤维和伸长型肌肉纤维，彼此产相对作用力。

At sunset, three thousand years ago, two youths watched their shadows lengthening.

三千年前日落，在大地上映射出两个年轻人身影。

I lengthened the string. Yeah, I caved into the criticism a little bit.

我把绳子放长了。是，我向评论屈服了。

And he said he'd lengthened the government social distancing guidelines until April 30th.

他说他已将政府保持社交距离指南有效期延长至4月30日。

The experts also say Sweden's growing season has lengthened by about 20 days.

专家们还表示，瑞典长季节延长了约20天。