✅ 同义词
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
One cloud is enough to eclipse all the sun.
一叶可障目。
A week later, the editor at last received a fax from the journalist.
一周之后，编辑终于接到记者的传真。