Culm
n. (空心)秆, 茎, 灰煤\\n[医] 杆, 竹竿
🗣️ 情景例句
He has a big sales office in Los Angeles,
他在Los Angeles有一个大的销售办事处，
How are you today?
今天还好吗？
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。