Most bats navigate by echolocation.大多数蝙蝠靠回声定位来飞行。Most bats produce echolocation sounds by contracting their larynx.大多数蝙蝠通过收缩喉咙所发出的声音实现回声定位.Some bats have specialized structures for emitting echolocation calls.一些蝙蝠已经把用于发出...
The patient has the right to considerate and respectful care.病人有权得到周到而礼貌的照顾。We have all wished for men who are more considerate.我们都曾祈求能找到更加体贴的男人。She is always polite and considerate towards her employees.她对待雇员总是客客气气，关心体谅...
Herons Ardeidae, sparrows ( Passerinae ) and common magpies ( Corvidae ) are suggested as useful bioindicators of environmental pollution.建议选择野生鹭类 、 麻雀和喜鹊等鸟类作为指示生物监测环境中的重金属污染....
They unloaded their catch of cod and bass.他们把捕到的鳕鱼和鲈鱼卸下来。Since March, he has unloaded 1.3 million shares.从3月至今，他已经卖出130万股了。Three-hundred railway wagons were waiting to be unloaded.有300个铁路货车车厢等着卸货。...
红色的手 - 通常来说,如果这种符号安加在一面小型纹章盾上,那么它是准男爵的标记.Red Hand - Usual mark for a baronet if borne on a small escutcheon.晚二叠世发生了准噶尔区安加拉植物入侵塔里木区事件.在我国北方这是一次普遍的植物事件.The intrusion of Angara plants into Tarim block took place at late per...
There is a certain impatience among some of the soldiers.有些士兵有点儿不耐烦。Soldiers took away four people one of whom was later released.士兵们抓走4个人，其中1个随后被放了回来。He recounted how heavily armed soldiers forced him from the president...