Downgrading
出国 Abroad[经] 降级
✅ 同义词
🔴 反义词
🗣️ 情景例句
I take your point.
我同意你的观点。
Mother begins baking cookies two weeks before Christmas.
自圣诞节的两周以前，母亲就开始做小甜饼了。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。