Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移.Change of climate must have had a powerful influence on migration.气候的变化对于迁移必曾有过极大的影响.Certain other factors are also involved at the secondary - migration stage....
The pulmonary migration of larvae is associated with fever, cough, occasionally hemoptysis.蛔蚴肺部移行,可伴有发热 、 咳嗽 、 偶尔咯血.the seasonal migration of birds鸟的季节性迁徙On migrated sections migration noise can become the equivalent lim...
His extortions from the industrious poor have been beyond computation.他对劳苦人民的横征暴敛无法计算.The new taxes and extortions ate up everything they earned.新税和新捐把他们全部所得勒索得一干二净.What By BriBes and what By extortions, he made money.或由...
中间试验仅包括脱硫阶段.The pilot - plant tests included only the desulfurization step.要根据具体情况来决定脱硫在CO变换之前或者之后.Sulfur removal can be carried out either before or after CO conversion as the situation dictates.当脱硫剂累计饱和硫容达20%时,可用于生产硫酸....
现在的失业人数已接近300万。Unemployment is now a whisker away from three million.她有些不好接近，但我确信她想表现得友好一些。She was somewhat unapproachable but I'm sure she wanted to be friendly.接近华氏100度的高温让他们感觉酷热难耐。They sweltered in temperatures r...