Substrate maintenance constant - [化] 底物维持常数，怎么读怎么用

🧩 词语组成解析

substrate ['sʌbstreit]

n. 底物;底层;基底;基层;

maintenance ['mentənəns]

n. 维持，保持;保养，保管;维护;维修;

main手+ten拿住+ance表名词 → 用手拿住 → 维持

constant ['kɑnstənt]

adj. 不断的，持续的;永恒的，始终如一的;坚定;忠实的; n. [数]常数，常量;不变的事物;永恒值;

con始终+stant站立→始终站着→不变的

Thanks. Nice to meet you ... again.

谢谢。很高兴又……见到你。

I've made a reservation at the hotel you used last time.

我已预订了你上次住过的旅馆。

She played basketball after school, and then walked home.

放学后她打了篮球，然后步行回家。

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