🧩 词语组成解析
poplar
['pɔplə]
n. 杨树;杨木;
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
Thanks for your help! Keep the change.
多谢你帮忙， 不用找了。
We have a few kitchen things and a dining room set.
我们有一些厨房设备和有餐厅
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。