常見例句You'll notice that at first the engine "smokes" on decel, this is normal, as the rings haven't sealed yet. When you're doing it right, you'll notice that the smoke goes 剛開始，你會看到發(fā)動機(jī)冒黑煙，這很正常，是因?yàn)槊芊猸h(huán)還沒有完全密封的緣故。當(dāng)你正確*作，你會發(fā)現(xiàn)煙沒了。decel.abbr. =decelerationdeceln. 減速計(jì) 返回 DeCell