西非是可可豆贸易的中心。West Africa was the pivot of the cocoa trade.种植的咖啡豆和可可豆有些是为了出口.Some coffee and cacao are grown for export.加纳的主要出口商品是可可豆。Ghana's main export is cocoa....
请派援军来——敌人加强进攻了.Send for reinforcements — the enemy are attacking in strength.他们正准备动私刑绞死他时，援军闯入房间把他救下了。They were about to lynch him when reinforcements from the army burst into the room and rescued him.这支巡逻队几乎被包围了, 而值此危急之...
Frankincense is a type of sweet - smelling gum from a tree.乳香是从树上提炼的一种有甜味的树脂.There are over 52 references to Frankincense in the Bible.圣经上有五十二处提到过乳香.Zheng's fleet stopped here to trade porcelain for frankincense , m...
The utility model relates to a new honeycomb briquet moulding machine.本实用新型是一种新型的蜂窝煤成型机.Therefore, the honeycomb briquet, the coal briquet and so on then appeared in people's life.于是, 蜂窝煤 、 煤砖等便出现在人们的生活中了....
Jane Pollock Antiques deals in silver and small collectables.简·波洛克古董店经营银器和小收藏品。Some would call these odd pieces of iron and wood "antiques"有些人会把这些奇怪的铁片与木块称作“古董”。She browsed in an up-market antiques shop.她逛了一家高级古董店。...
His parents' obsession with keeping up appearances haunted his childhood.父母过于爱面子的做法在他儿时一直困扰着他。The forest was dark and silent, haunted by shadows and unseen presences.这个森林黑暗寂静，经常有幽灵和看不见的鬼怪出没。The village is haunted by...
丙氨酸在转氨作用中似乎是更好的氨基酸.Alanine appears to be the preferred amino acid in the transamination.标记的莽草酸迅速地转变成苯丙氨酸.Labelled shikimic acid is reality converted to phenylalanine.植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.In plant cells the princip...