Heiman's serum agar
[医] 海曼氏血清琼脂
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
n. 琼脂, 石花菜\\n[化] 琼脂
🗣️ 情景例句
and he's pretty sure that I can get a good job there.
他相当肯定我可以在那儿弄到一份好工作。
I hope it turns out all right.
我希望结果很好。
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。