Larger drawings tend to require two or three exposures to cover them.较大的图画往往需要两三张胶片才能拍下来。How many exposures have you made?你拍过几张底片了?Exposures of rhythmically banded protore are common in the workings.在工作面中常见有韵律条带“原矿石”....
I was working all hours and constantly fretting about everyone else's problems.我一刻不闲地工作，总是为别人的事操心。Fretting about it won't help.苦恼于事无补。The old lady is always fretting over something unimportant.那位老妇人总是为一些小事焦虑不安....
Along with him went Felipe P é rez Roque, the foreign minister.与此同时,外交部长菲利普佩雷斯罗克也被排出.Both MCC and MFD positively correlated with MAC and MDC respectively ( P < 0.01 ).相关分析显示MCC及MFD皆与MAC、MDC正相关 ( P...