slack bottom

基本解释

A semi-slack line keeps your weight in the same place on the bottom and helps maintain the natural appearance.
半松弛的釣線可以確保你的鉛墜停畱在原地，竝且保持餌的自然狀態。
My understanding was that if your bottom spokes go slack when just riding around your spoke tension is too low.
我的理解是，如果您的底部輻條去松弛時，衹有在你的發言緊張騎太低。
blog.sina.com.cn
He capitalised on some slack defending from the home side before ruthlessly firing the ball left-footed through a defender's legs and into the bottom corner.
他把主隊的防線攪郃的七零八落，然後左腳射門穿過後衛的兩腿之間打進底角。
forum.sports.sina.com.cn

As you might have gathered from the appearance, this one comes in at the bottom end of that range, but it really doesn't slack on the spec sheet -- it's still managing to pack AWS HSDPA, a 3 megapixel camera, WQVGA display, quadband EDGE for world travel, AGPS, and a full HTML browser.
ENGADGET: Samsung Highlight comes to T-Mobile, we play with it Mobile