The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.比色法涉及氟离子对预先形成的颜色的消色作用.In no way am I going to adopt any of his methods.我绝对不会采纳他的任何方法。...traditional teaching methods.传统教学方法According...
Ballista: Ancient missile launcher designed to hurl long arrows or heavy Balls.投石机: 古代投掷物体之发射器,用作发射长箭或重型球状物.His favourite gadget is a Russian - made rocket launcher which holds 40 three metre - long missilles.他最喜欢的还是那个俄制...
The number of signers of the petition for a new school snowballed.要求增设新学校而签名的人像滚雪球似的越来越多.The court rejected their petition.法庭驳回了他们的上诉。They began to petition the queen.他们开始企求女王....
Quickening his pace, he soon left all the other runners behind.他加快速度, 不一会就把别的运动员都甩在后头了.Pity is a lever for quickening love.怜悯是加速爱情的手段.The season does induce a quickening of the blood and a heightening of humankind's...