单词drop-off
n.: 陡坡；衰减
网络: 急下降；水滴痕；减少
水滴痕
松落
陡然下降
衰减
陡坡
复数：drop-offs
The structure can effectively solve the problems that the parts on the gear box are easy to drop off during assembling, and the like.
这种结构可以有效避免装配时齿箱上的零部件容易脱落等问题。
Hope buoyed up his spirits, but fear made him nervous. He wanted to sleep but could not drop off as he lay sprawled out on some hay.
希望使他快活，恐惧使他惊惶，他想睡，但睡不着，四肢像散了似的在一些干草上放着。
This does not mean that it"s useless to get over 10% but it does mean that the benefits drop off as you get higher and higher Magic Find.
这不意味着克服10%但是当你得到越来越高的魔力，好处减少，这确实意味着，是无用的发现。
his bedroom while he was still in the office, and drop off a note for him on his night table.
埃莉诺常常在他还在办公室的时候走到他的卧室里，在他夜间办公的桌子上给他留下一张字条。
Some of the mothers said health visitors promised to drop off leaflets about depression, but did not do so.
一些患产后抑郁症的母亲表示一些妇幼保健机构的家访者承诺要送给她们一些关于消除沮丧情绪的小册子，但是却失言了。
As the lower leaves drop off, the plastic rings will fall to the bottom of the stem.
当下面的叶子脱落时，塑料圈便会落在茎的基部。
when the velocity of the lens continued to drop off, a blank refection occurred to the top of the section.
当透镜状砂体内部速度继续降低时，其顶部出现空白反射特征。
There was a shout outside, and the skin seemed to drop off the fingers like a glove.
有一个喊外，而皮肤似乎把手指得非常好。
The Oakland Athletics pitcher was late, he said, because he had to drop off his brother"s lunch at school.
这位奥克兰运动家队（OaklandAthletics）的投手迟到了，他说，因为他必须要把弟弟的午餐送到学校去。
He did drop off several times and almost crashed once, but eventually got a "second wind" that carried him to Paris.
途中他的确睡着了好几次，有一次还差点坠机，但他“如梦方醒”，最终到达了巴黎。