Semicylindrical
a. 半圆柱状的, 半柱面形的
🗣️ 情景例句
See, it works!
瞧， 真有效！
Each bird loves to hear himself sing.
鸟儿都爱听自己唱歌。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。