🧩 词语组成解析
桄榔(产于马来亚), 桄榔纤维
🗣️ 情景例句
Good night.
晚安。
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。