Consider: The wood wasp burrows into the pine tree by means of an ovipositor ​ — a needlelike tube with two interlocking shafts, or “valves, ” each of which is covered with backward - facing teeth.
Pikirkan: Tawon kayu melubangi pohon cemara dengan ovipositor ​ — tabung mirip jarum dengan dua tangkai, atau ” katup ”, yang saling mengait dan masing - masing dilapisi gerigi yang menghadap ke belakang.