不幸的是, 引起疾病的病原仍不明了.Unfortunately, the responsible pathogens were still unknown.感病的植物群体不暴露在它们的病原之下,这是相当普遍的.Nonexposure of susceptible plant populations to their pathogens is fairly common.在此情况下,需要特异性实验来确定病原.In such situati...
There has been a busy start to polling in today's local elections.今天地方选举的投票一开始就人头攒动。I had a busy day and was rather tired.今天很忙，我累坏了。It is the mother who is expected to reorganize her busy schedule.应该让母亲来重新安排自己紧张的日程。...
He was drowned in a shipwreck off the coast of Spain.他在西班牙海岸附近的一次海难中溺水身亡。Her voice was drowned out by a loud crash.她的声音被一声响亮的撞击声所淹没。His sailing instructor fell overboard and drowned during a lesson.他的航海教练在一次训练课时从船上失足跌入水中...
受过重击的牙齿可能会变色。A tooth which has been hit hard may discolour.有些昆虫可以变色.Some insects can change colour.风云变色.The current political situation is changeable....
他被弹飞出去，撞在货车的侧面。He was catapulted into the side of the van.哈罗兹还会将你孩子的名字刻在侧面。Harrods will also engrave your child's name on the side.这张照片照的是女孩的侧面。This picture shows the girl in profile....
Whenever I have a cold I get a nosebleed.每次我感冒都会流鼻血。A nosebleed is an issue of blood from the nose.鼻衄就是鼻孔流血的结果.I always end up sitting in the nosebleed section.我老是落得坐到最烂的位子....