droop

下垂；萎靡；凋萎英释中释vto hang or bend down, or to make something do this

下垂；消沉英释中释nDroop is also a noun

1 The plant needs some water – it’s starting to droop..这株植物需要浇些水——它开始打蔫了。

2 His eyelids began to droop (= close, because he was sleepy ) ..他的眼皮开始耷拉下来了。

3 Jessie drooped her head..杰茜垂下头。

4 ...the droop of his shoulders..…他肩膀的耷拉像。