[ 复数 moos 第三人称单数 moos 现在分词 mooing 过去式 mooed 过去分词 mooed ]
v-mo-o composite oxide 钒钼复合氧化物
binary V-Mo-O catalyst 钒钼二元催化剂
Mo-Ni-P-O solution 钼镍磷溶液
Tenshi mo yume o miru 天使也造梦
V-I When cattle, especially cows, moo, they make the long, low sound that cattle typically make. (牛)哞哞叫
...a sound like a cow mooing.
...听起来像牛哞哞叫的声音。
N-COUNT/SOUND Moo is also a noun. (牛的)哞哞叫声
The cow says "moo-moo."
奶牛“哞哞”叫。
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