helipad是什么意思？

helipad的音标：helipad的英式发音音标为：['helipæd]helipad的美式发音音标为：['hɛləˌpæd]...

A swimming pool that drains to reveal a helipad?排干水后成为直升机停机坪的游泳池?...

helipad的复数形式为：helipads...

粘液闭止...

We prepare the antigen and antiserum of E . C . bacilus and checked the Ethe drugs the antiserum.提要制备了大肠杆菌抗原和抗血清, 并用抗血清检测药品中污染的相应抗原....

diethylformamide的音标：diethylformamide的英式发音音标为：[dɪəθɪl'fɔ:mæmaɪd]diethylformamide的美式发音音标为：[dɪrθɪl'fɔmæmaɪd]...

The alphabet might be more rational if all the vowels came first.如果把所有的元音列在前面，字母表可能会更为合理一些。Vowels possess greater sonority than consonants.元音比辅音响亮.Note the various sounds of vowels followed by r.注意r跟随的各种元音的发音....

grease的第三人称单数（三单）为：greases...

“外鞘”的英语可以翻译为：[医] vagina externa ...

“冷冻剂”的拼音为：lěng dòng jì...

lunarium的音标：lunarium的英式发音音标为：['lu:nərɪəm]lunarium的美式发音音标为：['lunərɪrm]...

n.（尤指反对以色列的）阿拉伯突击队队员，埃及游击队队员( fedayee的名词复数 )...

n.透明素，透明蛋白...

各公司正在把工作岗位转移至生活费用较低的城镇。Companies are moving jobs to towns with a lower cost of living.硬度较低的石头磨光滑了。The softer rock wears away.我们可以把这份工作交给职位较低的人.We could give the job to somebody junior....

“毒打”的英语可以翻译为：eat cruelly，beat savagely，beat (sb.) up，beating-up，going-over ...

If anybody phones, tell them I'm busy.要是有人打电话来, 告诉他我很忙。SMR handsets won't work on cellular systems and tend to be bulkier than cellular phones.SMR的手机在移动电话系统上不能运作,而且往往比移动电话笨重.Since war broke out, the phones at d...

v.论述，详细讲解( expound的过去式和过去分词 )...

sponge的第三人称单数（三单）为：sponges...