drop hammer：吊錘

drinking water 食水 | drop hammer 吊錘 | dross 熔渣

drop a line：寫信

He is in hot water with his girlfriend recently. 近段時間他跟女友的關(guān)系有點僵. | 21.drop a line 寫信 | Drop me a line! 給我寫信!

drop out：放棄

那些不是屬于我的東西,我不敢也不會再去強求,已經(jīng)學(xué)會了放棄(drop out),已經(jīng)學(xué)會了淡忘(efface),已經(jīng)學(xué)會了心如止水(posture like slack water). 于是我很想阻止墻壁上方不斷朝燈光撞過去在撞過去的飛蛾:那里并不是屬于你的天堂,

water droplet：小水滴

水滴 water drop | 小水滴 water droplet | 水發(fā)射率 water emissivity

Water-drop-shaped Snuff Bottle：水滴形玉鼻煙壺

120 福壽鳳鳥玉如意擺件 Cluster (ruyi) with Phoenix, Bat and Glossy Decoration | 121 水滴形玉鼻煙壺 Water-drop-shaped Snuff Bottle | 122 八角形玉鼻煙壺 Octagonal Snuff Bottle

drop into a stream：跌入小溪

20 clean ... up 把...凈化 | 21 drop into a stream 跌入小溪 | 22 waste water 浪費水

preventing preharvest fruit drop：防止采前落果

preventing or arresting vomiting 止嘔 | preventing preharvest fruit drop 防止采前落果 | prevention against water-logging 防漬

A drop of water teems with microorganisms：充滿微生物的一滴水

teem: To be full of things; abound or swarm: 充滿:充滿東西;豐富或充滿: | A drop of water teems with microorganisms. 充滿微生物的一滴水 | The swamp teems with mosquitoes. 這片沼澤地蚊子多極了.

water drop glass：水滴玻璃

water driven centrifuge 水動離心機 | water drop glass 水滴玻璃 | water dropper 滴水器

water drop-shaped pin fins：水滴形擾流柱

針翅換熱器:Pin fin exchanger | 水滴形擾流柱:water drop-shaped pin fins | 擺線針輪行星齒輪傳動:pin-cycloid planetary reducer