Lifting weights will build arm and shoulder muscles.

举重会使手臂和肩膀肌肉发达。

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

他在摩拳擦掌，等着成为总统那一天。

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小肌肉。

The facial nerve -s the muscles of expression.

面神经促 使表情肌肉活动。

We should constantly exercise our muscles.

我们应当经常锻炼肌肉。

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.

我亲是个有着钢盘铁骨般身体卡车司机。

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

关节囊，肌肉或肌腱可能会因过度伸展而受伤。

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

面颊咬合肌发达，但不能太至于变成“厚脸皮”，而破坏了矩形头整体外观。

A muscle in his jaw pulsed angrily.

他下巴肌肉愤怒地抽动着。

The runner has firm muscles.

那个赛跑运动员有一身结实肌肉。

The muscle fiber of this animal is diseased.

这个动物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。

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

如果你能抵制诱惑, 你性格就会坚强起来。

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

为什么人脑神经不能控制心肌活动?

His muscles relaxed.

他肌肉松弛下来了。

His muscles are firm.

他肌肉坚实。

It can significantly reduce the area of infracted cardiac muscle in dog with coronary artery ligation.

可使冠脉结扎犬急性心肌缺血梗死区范围明显缩小。