单词：suction mouth
suction mouth的用法和样例：
例句
- Its sucking mouth was in a terminal rather than a ventral position.它的吸嘴位于末端，而不在腹部。
- Suction feeder Machine feeder wich uses air blowers and suckers to separate and lift sheets.吸气给纸器用吹风器和吸嘴把纸分离及吸起的机械给纸器。
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愉悦口语