Students all over the country are facing an uncertain future.全国各地学生前途未卜。The sandbank was uncertain, like quicksand under his feet.那个沙坝并不稳固，他脚下如同踩着流沙一般。For a minute he looked uncertain, and then recovered his composure.有一...
They are uncertain about what to do next.他们不知道下一步该做什么。For a minute he looked uncertain, and then recovered his composure...有一小会儿他看上去有些迟疑不定，之后又恢复了镇定。Students all over the country are facing an uncertain future.全国各地学生前途未卜。...
请安排鱼翅和海参.I would like shark's fin and sea cucumber to be served.目的: 研究玉足海参酸性粘 多糖 的抗血栓形成作用.Objective : To study the antithrombotic effects of Holothuria Ldeucospilota Acidic Mucopolysaccharide ( HLAM ).研究表明:海参肽具有明显的 ...