Main stem
干线, 主道, 主街
🧩 词语组成解析
main
[meɪn]
adj. 主要的，最重要的;全力的;
n. 最主要的部分，重点;主要管道;体力;[航海]公海;
stem
[stɛm]
n. （花草的）茎;词干;（高脚酒杯的）脚;烟斗柄;
vt. 遏制[阻止]（液体的流动等）;阻止;封堵;遏止;
🗣️ 情景例句
I'll discuss this matter with you behind closed doors.
我要跟你私下谈这个事。
He was so angry, he began to jump and down.
他愤怒得开始顿足。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，