Tetrahydrotoluene
四氫化甲苯, 甲基環(huán)已烯
??? 情景例句
Let's go into the kitchen,
我們到廚房去，
I invited hime to come up, but he wouldn't.
我請(qǐng)他上來(lái)，但是他不肯。
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是認(rèn)真和資深的科學(xué)家，他們一直夢(mèng)想著把人送上火星。