Hypostoma
垂唇, (多翅目)下颜, (昆虫)口后片, (多足类)下口板
🗣️ 情景例句
If you fail this test you'll be kicked out of school.
你这次考试要是不过就得离校。
A watched pot(pan) is long in boiling.
心急水不沸；盼得越切，来得越迟。
It'll make the cabbage plants grow big and strong.
它能使白菜秧长得又大又壮。