The shoulders are moderately laid back, flat-lying, well-muscled and never loose.
肩部适度向后，平躺，肌肉发达，决不松弛。
2
Watching well-muscled actors scale the sides of tall buildings may make you wonder about climbing's other requirements.
看着肌肉发达的男演员攀登高楼外侧，或许会让你好奇攀岩的其他必备条件。
3
The dog's chief requisites should be strength unusual for his size, soundness, balance, a strong powerful head, a well-muscled body, and courage that is proverbial.