在他们看来，肩背帆布包、留长发的人都是嬉皮士。
In their view anybody with a rucksack and long hair is a hippy.
youdao
头容正，肩容平，胸容宽，背容直。
Keep your head upright, shoulders horizontal, chest broad, back straight.
手臂及背肩炮带红外线激光设计！
Arm and shoulder back with infrared laser gun design!
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