They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...
Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...
Her face showed her dejection at missing the party.她因错过聚会而面露懊丧之色.especially with regard to pleasure or dejection尤其指喜怒哀乐He went away in dejection.他灰溜溜地走了.There was a slight air of dejection about her.她看上去稍微有点儿沮丧。...
The symptom of sodden branchial disease?烂鳃病的症状?Objective : To study the clinical features and the diagnosis and treatment of branchial fistula and cyst.目的: 探讨腮裂瘘管及囊肿的临床特点及诊治方法.Method: The experiences in managing 2 cases ...
They slashed the vegetation back with their machetes.他们用大砍刀把作物截短.The tribesmen were hitting the war trail with spears and machetes.土著人开始挥动枪刀作战.Some were hacked to death with machetes.有些人被大砍刀砍死。Some were hacked to death w...
Each recipe specifies the size of egg to be used.每种菜谱都具体规定了所用鸡蛋的大小。The third clause of the contract specifies steel sashes for the windows.合同的第三款指定使用钢窗.The contract specifies red tiles, not slates, for the roof.合同规定屋顶用红瓦...
The evaluation of incurs in the bid work the most essential link.评标是招投标工作中最关键的环节.Every business incurs a number of accrued liabilities relating to its payroll.每个企业都会发生一些与工资有关的应计负债.Occupational exposure refers to the expo...