She was tangled in a snarl of logs and branches.她被困在一堆乱七八糟的木料和树枝中间。logs for the fire烧火用的木材The logs were knocked together as they floated down the stream.圆木顺流而下时互相碰撞着....
at length的近义词有：at last, at length, eventually, finally, in the end, lastly。下面这些词或词组均含有"最后，终于"的含义：at last ：多指经主观努力，克服各种困难后才终于达到目的。at length ：强调经历一段长时间后终于完成，侧重在时间部分。eventually ：侧重于动作或行为的结果。finally ：常与at last换用，都可用于对往事的描述，但...
忽视疲劳感会打乱我们的生物钟。Ignoring feelings of tiredness knocks our body clocks out of kilter.即使是在办公室这样的非自然环境中，我们的人体生物钟依然影响着我们。Even in the artificial environment of an office, our body rhythms continue to affect us.由于人体生物钟不能迅速对时差作出...