drop-off
读音：['drɔpɔf]
n. 急下降, 直下降, 陡坡
n.
急下降
drop-offdrop-offD.J.:[ˈdrɔpɔf]K.K.:[ˈdrɑpˌɔf, -ˌɑf]n.1.翻译：急下降,直下降
drop-off['drɔpɔf]n.
1.翻译：(垂直)下降；衰落；萧条
2.翻译：(价格等)暴跌；(销售)衰退；减少，变少，削减；衰弱
3.翻译：陡坡；急转直下的部分[亦作drop off]
4.翻译：[口语]递送；交付
5.翻译：接待处；落脚处；收留的地方；可容留、接受、容纳人(或物)的地方
6.翻译：返还租用的汽车adj.
1.翻译：(租用车辆)被停在别处而不停在原租地的
1.翻译：速度下降; 陡坡; 摘下[离], 剥离drop-off to pick-up ratio(继电器的)返回系数 drop-off
noun
a decline or decrease
下降；减少；衰落
a sudden drop-off in tourism.
旅游业的突然衰退。
(chieflyN. Amer.)a sheer downward slope; a cliff
(主北美)陡坡；悬崖
dizzy drop-offs on either side.
两边令人头晕目眩的峭壁。adjective
[attrib.]relating to or allowing the delivery or depositing of something
（允许）递送（或存放）物品的
the mailbags are left at drop-off points.
邮袋被留在收寄点。
drop-off
名词 drop-off:
a noticeable deterioration in performance or quality
同义词：slump, slack, falloff, falling off
a steep high face of rock
同义词：cliff, drop
a change downward
同义词：decrease, lessening
动词 drop-off:
fall or diminish
同义词：drop off
change from a waking to a sleeping state
同义词：fall asleep, dope off, flake out, drift off, nod off, drop off, doze off, drowse off
leave or unload, especially of passengers or cargo;
同义词：drop, drop off, set down, put down, unload, discharge
retreat
同义词：fall back, lose, drop off, fall behind, recede
get worse
同义词：slip, drop off, drop away, fall away