upper arm侧泳: sidestroke靠: lean against上面: above; over; on top of; on t ...的: 4次方是 The fourth power of 2 i ...臂: arm下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:（侧泳）靠上面的臂，即可在微信中查询翻译
