spineless

adj.

没有骨气的，懦弱的；（动物）无脊椎的；

1. A jellyfish is a spineless animal.
   水母是无脊椎动物。
2. My supervisor is a spineless person. He never stands behind his decisions.
   我的主管是一个没骨气的人。他不敢为他做的决定负责。
3. At a time of crisis, why are Britain's politicians so spineless?
   危急时刻，为何英国政治家如此懦弱？

The spineless G-machine
The spineless G-machine
The spineless tagless G-machine
Too Spineless to Rebel? New Labour's Women MPs
Invertebrate systematics or spineless taxonomy?*
Stochastic spineless expression creates the retinal mosaic for colour vision
The spineless-aristapedia and tango bHLH-PAS proteins interact to control antennal and tarsal development in Drosophila
Implementing lazy functional languages on stock hardware: the Spineless Tagless G-machine - Version 2.5
Selenium Accumulation, Distribution, and Speciation in Spineless Prickly Pear Cactus: A Drought- and Salt-Tolerant, Selenium-Enriche...
Control of distal antennal identity and tarsal development in Drosophila by spineless-aristapedia, a homolog of the mammalian dioxin...