✅ 同义词
🗣️ 情景例句
They are eager to learn English.
他们急着要学英语。
I can't say for certain off-hand.
我还不能马上说定。
While early settlers had killed bison for food, now the killing became more widespread.
早期的殖民者只是以杀野牛为食，这时屠宰野牛就更为广泛了。