no obj.
1- bend or hang downwards limply松垂, 垂下：
a long black cloak drooped from his shoulders.
一件黑色的长斗篷从他肩膀上垂下。
1.1
- sag down from or as if from weariness or dejection（因疲倦或沮丧等而）下垂, 下陷：
his eyelids drooped and he became drowsy
他耷拉着眼睑, 昏昏欲睡起来
figurative 〈喻〉the scenes are so lengthy that the reader's spirits droop.
冗长的景色描写使读者精神委靡不振。
1.2
- with obj. cause to bend or hang downwards使弯下, 使垂下：
James hid his face in his hands and drooped his head.
詹姆斯用手捂住脸, 低下了头。
in sing.
- an act or instance of drooping; a limp or weary attitude低垂, 下垂; 耷拉（软弱或疲劳的姿态）：
the exhausted droop of her shoulders.
她那精疲力竭地耷拉着的肩膀。
词源