这一地区3个月以来不断发生激战。The area has been the scene of fierce fighting for three months.他不仅仅发号施令，还身先士卒参加了几次激战。He didn't just command. He personally fought in several heavy battles.激战已经持续了24小时以上。The fighting has continued un...
He returned moments later with a pocket magnifier.几分钟以后,他带来一只袖珍放大镜.The developed images are examined under a magnifier which will indicate the smallest group just resolved.在放大镜下检查冲洗出来的胶片,找出刚好能被分辨的最小线组.Magnifier lens that...
Changes of ureide, allantoin , allantoic acid content and al - lantoinase activity in adzuki bean ( Vigna angularis ) seedlings were investigated.赤豆 种子萌发过程中,幼苗迅速合成酰脲,在酰脲含量达到最大值前,尿囊酸含量高于尿囊素含量,子叶合成酰脲最迅速;酰脲含量达到最大值后,茎带叶的酰脲含量...