pack up是什么意思？

pack up的音标：pack up的英式发音音标为：[pæk ʌp]pack up的美式发音音标为：[pæk ʌp]...

He'd left me to pack up the mail and post it off.他让我整理并投递邮件。Let's pack up and get ready to start at once.让我们收拾好行李,准备马上出发.It's time to pack up.到收工的时候了....

fibroplastic的音标：fibroplastic的英式发音音标为：[faɪb'rɒplæstɪk]fibroplastic的美式发音音标为：[faɪb'rɒplæstɪk]...

round-up的音标：round-up的英式发音音标为：[raʊnd ʌp]round-up的美式发音音标为：[raʊnd ʌp]...

blahed的音标：...

longitudes的音标：...

“白昼”的英语可以翻译为：daytime，day，daylight ...

“诊断学”的英语可以翻译为：[医] diagnostics ...

Otherwise it has been showed that they have appeared typical phase - transfer catalyses as the host solvents.此外,它们作为宿主溶剂还表现出典型的相转移催化作用....

“摔倒”的反义词：爬起。...

So must we sit back and twiddle our thumbs?难道我们就只能在这儿无所作为?When we need you help, all you and twiddle you thumbs.当我们需要你帮助时, 你却按兵不动,亲得无聊.All the critical twiddle - twaddle about style and form is mere impertinence and most...

vi.捕鼠（rat的现在分词形式）...

discontent的音标：discontent的英式发音音标为：[ˌdɪskən'tent]discontent的美式发音音标为：[ˌdɪskən'tɛnt]...

n.年长( seniority的名词复数 )，职位高，年资，资历...

eupachlorin的音标：eupachlorin的英式发音音标为：[ju:'pæklɒrɪn]eupachlorin的美式发音音标为：[ju'pæklɒrɪn]...

Boy, that salesman was the biggest airhead I've ever seen.□好家伙, 那个男售货员是我见过的最愚蠢的人.She's a total airhead!她完全是个大傻瓜！I'm not a complete airhead.我可不是个十足的大傻瓜.I’m not a complete airhead.我可不是个十足的大傻瓜。...

glaciate的一般过去时为：glaciated...