Celastoid
赛拉陀(专用热塑性塑料, 从醋酸纤维素制得)
🗣️ 情景例句
I got lost for two days and I couldn't find anyone who could understand me.
我已经迷路两天了，找不到一个人可以听懂我的话。
Put (or Lay or Set) one's shoulder to the wheel.
出一把力。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。