Stage gain
[电] 级增益
🧩 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
gain
[gein]
vt.& vi. 获得;赢得;增加;（钟、表）走快;
n. 利润;[土木工程]腰槽;获益;
vt. （在…上）开腰槽;吸引;（通过努力）到达;推进（一段距离）;
vi. 增进;增进健康;得益;（重量的）增加;
🗣️ 情景例句
His restaurant is a real moneymaker.
他的餐馆真是很赚钱。
There's no need!
多此一举！
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。