Thickening is the usual first step in sludge disposal processing.
污泥处置过程中,浓缩通常是第一道工序。
The first step in protein synthesis is transcription.
蛋白质合成的第一步是转录。
It is the reverse of the propagation step in addition polymerization.
这一过程是加聚反应历程中链增长步序的逆过程。
📖 牛津释义
step in
intervene (to help or hinder sb/sth) 干预(以帮助或阻止某人[某事物]); 介入
If the police had not stepped in when they did there would have been serious violence. 当时若警方迟一些干预就会发生严重的暴力事件了.
prep. 采用(某种方式);穿着,带着;(表示位置)在…里面,(表示领域,范围)在…以内;(表示品质、能力等)在…之中;
adv. 在家;进入,到达;流行;当选;
adj. 在内的,朝内的;在位的,执政的;[口语]流行的,时髦的;(车等)到站的;
n. 执政党,掌权者;知情者;<美口>入口,门路;<体>(板球或棒球)攻球的一方;
🗣️ 情景例句
It's good! It's this Sunday at 7.
好极了。宴会再本周日7点。
Take it back!
把那句话给我收回去!
What about heart? Heart is what makes you love other people. You can love your friend, even though you don't agree with everything she or he says. So when you listen to someone, you should listen with complete attention, and with complete respect for