Nitrogen-free culture-medium
[医] 无氮培养基(琼脂)
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
medium
['midɪəm]
adj. 中等的，中级的;普通的;平均的;半生熟的;
n. 媒介物，媒质;中间，中庸，[生]培养基，培养液，颜料溶解液，[数]中数，平均，[逻]中名辞;手段，方法;中间物;
medi中间+um表名词→中间物，媒介
🗣️ 情景例句
And perhaps, you'll join us?
也许你能跟我们一起去
In every beginning think of the end.
思前顾后。
There aren't enough candles, said ann. There are only twelve. We'll need one more.
“蜡烛不够呀，”安说，“只有12支。我们还需要一支。”