他摔下来时，惊恐的邻居们赶忙冲过去救他。Horrified neighbours rushed to his aid as he fell.喊叫声变成了惊恐的尖叫声。The shouts changed to screams of terror.使他惊恐的是, 公共汽车着了火.To his horror, the bus caught fire....
Hexachlorophene - containing skin cleanser is substituted when allergy to shellfish or iodine is present or suspected.在怀疑或患者确实存在对碘及贝类动物过敏时,可以改用含有六氯酚的皮肤消毒液.Why to eat mango to you can cause labial allergy?吃芒果为什么会引发嘴唇过敏?Sk...
The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.The method and the condition of separation epoxy ethane from dihydric alcohol are described.介...