🧩 词语组成解析
abbr. 养地（Ocean Bottom）；实况无线电广播（Outside Broadcasting）；向船外（Out Board）
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
It will be cloudy at times.
阴有多云。