球袋–为使球落袋而设置的球洞.Pocket - the holes created for the balls to be potted into.角度 – 在球袋和球之间形成的线路.Angles - the lines created to the pockets between balls....
那只小钟丁当丁当地报时.The little clock tinkled out the hours.走路时,他衣袋里的钱币丁当作响.Coins in his pocket jingled as he walked.吃东西的时候不要把刀叉弄得丁当作响.Don't clatter your knives andforks while eating....
Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.研究了用无溶剂重结晶法提纯2,6二氯甲苯.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination...
A band of gray hair encircled his bald dome.他的秃头顶四周长着一圈灰白的头发。A band of grey hair encircled his bald dome.他的秃头四周长着一圈灰白的头发.The mountain is encircled by the doughnut - shaped depression of the caldera.山为环形的破火山口洼地环抱着.The arm...