Serum-fast
[医] 抗血清的(细菌)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
fast
[fæst]
adj. 快的;走得快;感光快的;紧的;
adv. （比准确的时间或宣布的时间）快;迅速地;紧紧地;彻底地;
vi. 禁食，（尤指）斋戒;
n. 禁食期，斋戒期;断食，节食;
🗣️ 情景例句
It's six o'clock.
已经六点了。
I often have supper at night.
我常常在晚上吃晚餐。
Though the costume consisted only of a sheet, it was very effective.
尽管化装服仅由一个被单制成，却十分逼真。