Lies supine, two legs raise separately, lifts as far as possible high, maintains 30 seconds.
仰卧, 两腿分别上举, 尽量举高, 保持30秒钟.
来源:网络文摘精选Lift heel off the ground by bending knee and strike the heel sharply down and up.
脚根举高由上往下敲击地板,竣事时脚板逗留在空中.
来源:互联网摘选The man, waving arms excitedly, high-fives friends as he proudly displays his prize.
该男子激动地挥舞着双臂, 举高双手向朋友们炫耀他的奖品.
来源:互联网摘选Case studies illustrate the converged network design and model high-volume Ethernet traffic.
案例研究将阐述融合的网络设计,并列举 高容量 以太网数据流模式.
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