马特软弱无能且依赖性强，但我们照样爱他。Matt is weak and dependent, but you love him all the same.懒惰兼无能的警官令公众失望。Lazy and incompetent police officers are letting the public down.这让我觉得自己软弱无能，蒙人恩惠。It made me feel patronised, in a position of w...
这种燃料的例子是一甲肼和二硼烷.Examples of such fuels are monomethyl - hydrazine and diborane.手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.该不对称催化还原反应的控制步骤是...