查询词典 shake down

The city quieted down again：城市又平静下来

The city quieted down again. 城市又平静下来. | Shelley was unable to calm her down. 雪莱没法使她平静下来. | He slowed down at the crossroads. 他在十字路口慢了下来.

He has put down several other revolts：他还平定过另外几次叛乱

Put down these examples.把这些例句写下来. | He has put down several other revolts.他还平定过另外几次叛乱. | He put it down to a piece bad luck.他认为这是运气不好.

We let the bucket down by a rope：我们用绳子把吊桶放下去

86.let down 放下,降低;使失望 | We let the bucket down by a rope. 我们用绳子把吊桶放下去. | I thought I could rely on him, but he let me down. 我原以为能依赖他,可他却使我大失所望.

down cushion：羽绒靠垫

down converter 降频变频器 | down cushion 羽绒靠垫 | down detergent 羽绒洗涤剂

down feather cushion：羽绒垫

down ender 翻卷机 | down feather cushion 羽绒垫 | down feather mattress 羽绒床褥

down picker：揿针器

down pants 羽绒裤 | down picker 揿针器 | down pillow 羽绒枕

down pillow：羽绒枕

down picker 揿针器 | down pillow 羽绒枕 | down products 羽绒制品

duck down pillow：鸭绒枕

duck down cushion 鸭绒垫 | duck down pillow 鸭绒枕 | duck down pincers 鸭绒钳

down feather pillow：羽绒枕

down feather mattress 羽绒床褥 | down feather pillow 羽绒枕 | down feather quilt 羽绒被

down and feather pillow：羽绒枕

down and feather mattress 羽绒床褥 | down and feather pillow 羽绒枕 | down and feather products 羽绒制品

liquid helium：液态氦

除了路径积分及应用在量子电动力学的研究成果之外,费曼其它重要的研究贡献还有1953年发表有关液态氦(liquid helium)超流体理论,以及1969年提出的成子(parton)模型.

fly wheel nut wrench：装拆飞轮螺母扳手

fly wheel magneto 飞轮式永磁发动机 | fly wheel nut wrench 装拆飞轮螺母扳手 | fly wheel pump 飞轮泵