🧩 词语组成解析
trainer
['treinə]
n. 运动鞋;教员;驯兽师;
🗣️ 情景例句
I'll take this green sweater.
我买这件绿毛衫吧。
It is too late to lock the stable door when the steed is stolen.
贼出关门。
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。