barter的现在进行时怎么写？

Overall, barter is a very inefficient means of organizing transactions.总之，易货贸易是一种效率很低的交易形式。The market-place and street were crowded with those who'd come to barter.市场和街道上挤满了前来做物物交换的人。Chickens, goats and rabbits were...

barter的近义词/同义词有：exchange, swap, deal, trade, trade, swap, deal, traffic, exchange。vt. & vi.barter的近义词（贸易;交换）：exchange, swap, deal, trade。barter的近义词（其他释义）：trade, swap, deal, traffic, exchange。...

The market-place and street were crowded with those who'd come to barter.市场和街道上挤满了前来做物物交换的人。Chickens,goats and rabbits were offered for barter at the bazaar.在集市上,鸡、山羊和兔子被摆出来作物物交换之用。The market-place and street were c...

vt.& vi.作物物交换，以货换货，拿…进行易货贸易n.换货，实物交易，交易品，互换品，[数]换算法，易货贸易vi.进行易货贸易，[贸易]作物物交换，讨价还价...

barter的复数形式为：barters...

barter的一般过去时为：bartered...

barter的第三人称单数（三单）为：barters...

barter的现在完成时为：bartered...

barter的音标：barter的英式发音音标为：['bɑ:tə(r)]barter的美式发音音标为：['bɑrtə(r)]...

n.迪斯科舞厅，迪斯科舞会，的士高...

legalisation的音标：legalisation的英式发音音标为：[ˌli:gəlaɪ'zeɪʃən]legalisation的美式发音音标为：[ˌlɪgəlaɪ'zeʃən]...

“上级”的英语可以翻译为：higher level，higher-ups，Good Middling，higher authorities，higher-up ...

adj.缺乏安慰的，不舒服的，不自由的...

Stubbs is the soul of punctuality, and efficiency.斯塔布思是个最准时, 最干练的人.I normally never write into magazines but Mr Stubbs has finally crossed the line.我向来不给杂志写信，但是斯塔布斯先生最后做得太过火了。Notable players include: Huston Street, Kyle ...

Ewes are having fatter lambs, and more of them every season.母羊生下的小羊比较肥壮, 每季生出的小羊也比较多.This feed is of special value in steaming up the ewes as they come to lambing.这种饲料对即将产羔的母羊补充营养很有用....a small flock of bleating ewes and...

fraise的音标：fraise的英式发音音标为：[freɪz]fraise的美式发音音标为：[freɪz]...

“跳动”的英语可以翻译为：move up and down，jitterbug，jitter，beat，flop ...

v.（尤指对着镜子）精心打扮( primp的过去式和过去分词 )...

shovelling的音标：shovelling的英式发音音标为：[ʃʌ'vəlɪŋ]shovelling的美式发音音标为：[ʃʌ'vəlɪŋ]...

Replace with a needle which is thicker by one.更换成大1号的机针.Replace with a new disc holder assembly and oring.用新的阀瓣固定器总成和O形 环更换.Replace with four dry cells and do the experiment again.用4节干电池取代重做一次实验....

n.离子化，电离，电离化...

n.选民（全体），选举区，[史]选帝侯的爵位[领土]...

[地名] [美国] 威尔地...

Homoserine has also been implicated in the biosynthesis of methionine.同型丝氨酸也牵涉到蛋氨酸的生物合成.Cottonseed meal is deficient in lysine, methionine and leucine.?澍宸廴狈?蛋彼幔0蛋氨酸和亮氨酸.The article discussed the effects of zinc methionin...