A frequency of one million megahertz, 10000? 200 Hz.一百万兆赫(兹)频率, 即10000? 200赫(兹)....UHF frequencies of around 900 megahertz.大约900兆赫的超高频率The bandwidth ( megahertz ) and spectrum position of the signal arising from televisi...
Unfortunately, bad news has come hard on the heels of good.很遗憾，好消息的后面紧跟着就是坏消息。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。They were bunching up, almost treading upon each other's h...
探矿者淘选从河床里挖出的少量含金泥沙和砂砾.The prospector panned out bits of sand and gravel scooped from the bed of a stream.探矿者淘选从河床中挖出的少量含金泥砂和沙砾.The prospector panned off bits of sand and gravel scooped from the bed of a stream....
他们想找借口用武力征服这个地区。They wanted a pretext for subduing the region by force.他说过他会来，但眼下他又在找借口。He said he'd come but he's looking for a get-out.休想找借口骗我.Don't try to fob me off with excuses....