An overdose of sun, sea, sand and chlorine can give lighter hair a green tinge.过量接触阳光、海水、沙粒和氯气会使浅色头发略呈绿色。Chlorine is usually liquefied before use or storage.氯在使用和贮存以前通常要液化.Derivatives of bromine are much more active than...
用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯.The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature....
Damp - proof membranes are also provided to isolate the walls, joists and floors from dampness rising capillarity.防潮层也能隔绝墙壁, 屋顶和地板,避免由于毛细管作用而引起的潮气上升.Of or relating to capillarity.表面张力的或关于表面张力的.The primary forces causing ...
The number of women who become pregnant after adopting children is legion.领养小孩后怀孕的妇女比比皆是。Ellie's problems are legion.埃莉的问题多如牛毛。the French Foreign Legion法国外籍军团...
Smoking could lead to irregular heartbeats.吸烟会引起心律失常。Doctors also treat irregular heartbeats with another device called a pacemaker.医生还会使用另外一种称为“心脏起搏器”的设备来治疗心律不齐.A sad and lonely tune. There's only piano and heartbe...
The lorry driver escaped unhurt, but a pedestrian was injured.卡车司机安然脱险，但有一位行人受了伤。The driver managed to escape from the vehicle and shout a warning.那名司机设法从车里逃了出来并大声警告别人。The driver failed to negotiate a bend and ran into a...