Early barrier
[化] 早势垒; 前势垒
🧩 词语组成解析
early
['ɝli]
adj. 早的;早期的;早日的;（果实等）早熟的;
adv. 早;在初期;先前;提早;
🗣️ 情景例句
She's right.
她说得没错。
Where are the stairs?
楼梯在哪里呢？
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。