Precavity stage
[医] 龋洞前期
🧩 词语组成解析
stage
[stedʒ]
n. 阶段;舞台;戏剧;驿站;
vt.& vi. 上演，演出;筹办，举行;适于上演;坐公共马车旅行;
vt. 举行;展现;上演;筹划;
vi. 适于上演，适合在舞台上演出;乘公交车（或驿车）旅行;[军事]中间集结，扎营;
sta=stand, 表示“站，立”+ge=age表名词 → n.舞台；戏剧；阶段
🗣️ 情景例句
How old are you, Gerald?
Gerald，你今年多大啦！
Give me a discount!
打个折吧！
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，