抑制剂和促进剂能影响氧化速率.Inhibitors and promoters may affect the rate of oxidation.抑制剂和促进剂能影响氢化速率.Inhibitors and promoters may affect the rate of oxxidution.这种解释在指导改进粘结促进剂的研究上是有成效的.This explanation has been useful in guiding the s...
11月份土拨鼠都入洞冬眠.In November the ground hogs all hole up for the winter.犹他州的一只草原土拨鼠顶着春雪出来觅食.A Utah prairie dog emerges to forage in spring snow.沿着这个城市的受欢迎的酒镇小路可以发现许多土拨鼠.Many marmots can be found along the city's popular...
留意便宜货，但绝不要买表面凹陷的罐头。Watch out for bargains, but never buy dented cans.他凹陷的眼睛闪现出喜悦的光芒。His sunken eyes glistened with delight.他在凹陷的扶手椅上坐下了。He sat down in the sagging armchair....
他靠在墙上,努力想鼓起劲继续下去.He leant against the wall, fighting for strength to continue.鲍勃起劲地吃着。Bob ate lustily.没过多久，我们便聊得很起劲了。Before long, we were deep in conversation....
The camera combines rugged reliability with unequalled optical performance and speed.这款相机既坚固耐用，又有超凡的光学性能和快门速度。This record figure was unequalled for 13 years.这项纪录保持了13年，无人能破。an unequalled record of success空前的成功纪录...