Lentoid
a. 透镜状的\\nn. 透镜状结构
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
Nothing for nothing.
不费力气，一无所得。
One day a young man named Kunta Kinte went off into the forest to cut down a tree as he wanted to make a drum.
有一天，一位叫孔塔·肯特的年轻人走进森林中去砍树，因为他想做一个鼓。