Cell-free system
[机] 无细胞体系
🧩 词语组成解析
cell
[sel]
n. <生>细胞;小牢房;电池;<诗>墓穴;
vi. 住在牢房或小室中;
vt. 囚禁;
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;
🗣️ 情景例句
Large or Little?
大杯还是小杯？
I usually feel timid in the presence of very bright people.
站在聪明人面前，我感到羞怯。
Have you taken your medicine today?
你今天吃药了吗？