Tracheid
n. [植]管胞
🗣️ 情景例句
Hi. What can I do for you?
嗨 。我能帮你吗？
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
The letter x stands for an unknown number.
字母x代表未知数。