n.肌肉;力量;权威,权力;
例句:
This increased resistance causes the muscle work harder to pump the blood through these blood vessels.
血流阻力增加会使心肌增加波动强度以将血液输往全身.
He didn't move a muscle (= stood completely still) .
他一动不动地站着。
We were so tired we couldn't move a muscle.
我们累得动弹不得.