孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.孢原细胞位于珠心表皮之下, 直接起大孢子母细胞的功能.The ovule is bitegminous archesporial c...
这个小金球重0.25盎司。This little ball of gold weighs a quarter of an ounce.我的鱼平均每条重2磅8盎司，还有过两条重8磅的。My fish average 2 lb 8 oz and I've had two eight-pounders.将6个容量为150毫升（5至6液盎司）的烤盘涂上油。Grease 6 ramekin dishes of 150 ml (5-6 f...
他们正在正上方的木匠铺子里睡觉。They are sleeping in the carpenter's shop directly above.我想和木匠谈一谈。I should like a word with the carpenter.木匠愤怒地扔下工具.The carpenter flung aside his tools in a rage....
Burning embers started dropping from the ceiling.余火未尽的木块开始从天花板上往下掉。The embers still glowed in the hearth.余烬仍在炉膛里发出暗淡的光。His eyes are fixed on the red embers of the fire.他的眼睛盯着红色的余火....
看不见的手的效能必然要相应地降低.The virtues of the invisible hand must be that much discounted.然而, 它不需要被吸收的水汽层来发挥效能.However, it does not require an absorbed vapour layer to become effective.我昨天询问过该新机器的效能.I asked about the efficiency of...