Lifting weights will build arm and shoulder muscles.

举重会使手臂和肩膀的肌肉发达。

The runners flexed their muscles as the preparatory activities for the race.

"赛跑选手们屈四肢,放松肌肉以此作为比赛前的准备活动。"

He’s flexing his muscles, waiting for the day he becomes president.

他在掌，等着成为总统的那一天。

Arrector Pili are tiny muscles attached to the base of the hair follicles.

竖毛肌（立毛肌）是一些附着在毛囊底部的细小的肌肉。

The flexibility of a man's muscles will lessen as he becomes old.

人老了肌肉的柔韧性将降低。

The facial nerve -s the muscles of expression.

面部神经促 使表情肌肉活动。

We should constantly exercise our muscles.

我们当经常锻炼肌肉。

Gather up your muscles and jump.

收紧肌肉, 然后起跳。

Gosh! My muscles is going to ache all over tomorrow.

哎呀！明天我全身肌肉都会痛了。

My father was a hard-fisted truckdriver with muscles of steel.

我父亲是个有着钢盘铁骨般身体的卡车司机。

High placement may overstretch the joint capsule, the muscles, or the tendons.

关节囊，肌肉或肌腱可能会因展而受伤。

Arm flat and muscular.Bone substantial but not coarse and muscles hard and devoid of flabbiness.

臂膀平且肌肉发达，骨骼坚实，但不粗糙，且肌肉坚硬，没有软弱无力的样子。

Cheeks--Well developed chewing muscles, but not so much that "cheekiness" disturbs the rectangular head form.

面颊部咬合肌发达，但不能太夸张以至于变成“厚脸皮”，而破坏了矩形头部的整体外观。

A muscle in his jaw pulsed angrily.

他下巴的肌肉愤怒地抽动着。

The runner has firm muscles.

那个赛跑运动员有一身结实的肌肉。

The muscle fiber of this animal is diseased.

这个动物的肌肉纤维产生了病变。

Muscle flexor digitorum profundus in rabbit was ring pennate.

家兔趾深屈肌为环羽肌。

The hornworm has just 70 muscles per segment, with just one nerve controlling each muscle, for the most part.

蠕虫每节有70根肌肉，每根肌肉大多只由一根神经控制。

Why is the person's cranial nerve incontrollable cardiac muscle activity?

为什么人的脑神经不能控制心肌活动?

Push against temptation and you will get muscle in your character.

如果你能抵制诱惑, 你的性格就会坚强起来。