We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。The flakes seem to fuse together and produce ice crystals.雪花好像融合在一起形成了冰晶。These thin crystals transmit much of the power.这些薄薄的晶体传导了大部分的动力。...
It is a layer of guanine crystals which glow at night.这是的氨基羟尿环水晶层数发光在晚上.These crystals are then embedded in a plastic, and the plastic is extruded as a wire...然后将这些晶体嵌入一块塑料，再把塑料挤压成线。We tried to grow some copper sulphate ...
针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。Choose a soft, medium or firm mattress to suit their individual needs.安德烈娅有着深浅适中的棕发、灰色的眼睛和十分白皙的皮肤。Andrea has medium brown hair, grey eyes and very pale skin.在热度适中的烤架下烹制。Cook under a medium-hot...
She was very glum and was obviously missing her children.她郁郁寡欢，显然在惦念自己的孩子们。He was a charming mixture of glum and glee.他是一个很有魅力的人，时而忧伤时而欢笑。The players sat there with glum looks on their faces.队员们愁眉苦脸地坐在那儿。...a glum, downc...
The yacht swayed in 40-knot winds, clocking speeds of 17 knots at times.游艇在风速为40节的大风中摇摆前行，有时航速能达到17节。Our speed over the ground was a miserable 2.2 knots.我们在接近地面时的航速仅为2.2节。The press agent tied himself in knots trying to a...
他很喜欢什么事都插上一杠。He very much likes to have a finger in every pie.如果你觉得出租车司机敲了你的竹杠，就说出来。If you feel a taxi driver has overcharged you, say so.那些警察之所以经常去敲他的竹杠是因为抓住把柄了.The policemen kept blackmailing him, because they had sth ...