Full-size tripods can be awkward, especially if you'reshooting a low-level subject.标准尺寸的三脚架可能会不便于使用，用于拍摄低角度的物体时尤其如此。Cameramen readied tripods.摄影师们架好了三脚架。And she thought of tripods and knapsacks.围着的膝盖,而她却想到了三脚架和背包....
The proof is recoated with dichromate emulsion.将这张校样重新涂以重铬酸盐乳剂.Preferally, the anion portion of the salt is permanganate, iodate, dichromate or hyperchlorite.它的阴离子部分最好是高锰酸, 碘酸, 重铬酸或过氯酸根.The main methods are: glass - elec...
The third baseman let the ball roll between his feet.第三名垒手让球从他的两只脚之间滚了过去.The baseman let the ball roll between his feet.名垒手让球从他的两只脚之间滚了.The runner was called safe when the baseman dropped the ball.当一垒手丢球时,跑垒员就真的安全了....