A single - ring benzoxazine was synthesized by solvent - free method.用无溶剂法合成了一种单环苯并嗪.Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率...
Everyone has doubts about their readiness for parenthood.自己是否作好了为人父母的准备，人人都会感到疑虑。a romanticized picture of parenthood一幅理想化的为人父母的情景The book takes a humorous look at parenthood.这本书以幽默的笔触论述了父母的身份....
她泪眼朦胧地望着他的脸.She saw his face through a mist of tears.阳光朦胧地反射到石墙上.The sun reflected dully off the stone walls.丘陵地带透过薄雾朦胧地出现在眼前.The foothills were looming ahead through the haze....