Fischer's acid
[化] 费歇尔酸; 2-萘酚-6-磺酸
🧩 词语组成解析
🗣️ 情景例句
John isn't here today. That figures, he looked very sick yesterday.
约翰今天没有来，怪不得，他昨天就好像不太舒服。
Money is the sinews of war.
无钱莫打仗。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。