I found this driftwood on the beach.我在海边发现这根漂流木。The sound seemed to come from some driftwood close at hand.这声音好象来自近处漂来的木头上....a piece of driftwood which he used as a paddle.他用作桨使的一块浮木My son found a piece of driftwood thi...
Disbelieving in the necessity of large - scale production in the modern world , he is passionately devoted to excessive secrecy, both in finance and ( in ) method of production.由于不相信当今世界上 大规模生产 的必要性, 他们热衷于财政和生产方法上的过分保密.N...
被子植物开始时是浸沉在液体中的游离合子.Angiosperms begin as free zygotes immersed in a fluid.接合形成的合子是部分二倍体,也叫做部分合子.The zygotes formed in conjugation are partial diploids or merozygotes.不定胚与合子胚之间不能划分出明显的界限.A sharp demarcation of adventive e...