Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.许多林木树种都有颈卵器, 受精以后便产生许多原胚.A similar section through the female plant reveals several bottle - shape archegonia , ...
碳精棒常用于电弧灯.The stick of carbon is often used in an electric arc lamp.内阳极有两种材质,分别为不溶性碳精棒和含磷铜棒.The inner anode includes insoluble carbon and phosphorous - copper bar....
人体蠕形螨是一类小型永久性专性寄生螨,可引起人体蠕形螨病.Human Demodex is a small permanent parasite which can cause human demodicidosis.目的了解山西青年学生蠕形螨的感染情况,研究蠕形螨及蠕形螨病的特性.Objective To study the follicle mite infection in young students of Shanxi.粉尘螨...
The twister hit the roofs of homes and buildings.龙卷风把房屋以及农机建筑物连根拔起.Tongue Twister : Can you can a can as a cannery cans can?你能像罐头厂那样装罐头 吗 ?The person he had trusted turned out to be a twister.他起先信任的人结果却是个冤家....
肉样瘤病的肉芽肿无干酪化病灶.In sarcoidosis there are noncaseating granulomas.结节病是一种组织学上以 非 干酪化性肉芽肿形成为主要特征的特发性系统性疾病.Sarcoidosis is an idiopathic systemic disease characterized histologically by the formation of non - caseating granulo...
春季这地方满是滑雪的人。In the spring the place is crowded with skiers.他斜坡滑雪的技能使我们赞叹不已.We were amazed at his expertise on the ski slopes.就澳新地区而言，夏季滑雪的最佳去处是新西兰。For summer skiing down under, there is no better place than New Zealand....
政客们贬低了“自由”一词的意义。Politicians have debased the meaning of the word "freedom"麦肯批评说对“区域”一词的含义缺少解释。McKen criticises the lack of explication of what the term "areas" means.“ 猫 ” 一词的本义是动物.The literal meaning of the word " cat "...
珊瑚虽然看上去坚固，实际上非常易碎。Although the coral looks hard, it is very delicate.珊瑚有黄色的、蓝色的或绿色的。Coral can be yellow, blue, or green.愿上帝保佑那些船员吧,他们早就变成珊瑚了. ”God help the poor souls that manned her - coral long ago.'...