Hepes
[醫(yī)][=hydroxyethyl piperazine ethanesulfonic acid]羥乙基哌嗪乙磺酸
??? 情景例句
And they don't ask a married couple with no children Why don't you have any children?.
他們也不會(huì)問(wèn)結(jié)了婚沒(méi)有孩子的夫婦“你們?yōu)槭裁床灰⒆樱俊薄?/div>
I can't promise anything,but I'll do my best.
不敢保證，不過(guò)我盡力而為。
Next Annie took me by the hand and taught me how to jump.
接著，她又拉著我的手，教我如何跳。