bulbous portion造句

例句与造句

1. This bulbous portion corresponds to the upper waxy zone of the inner surface.
2. The glandular region covers the bulbous portion of the pitcher's inner surface.
3. On the inner surface of the pitcher, the glandular region is present in the bulbous portion.
4. It's difficult to find bulbous portion in a sentence. 用bulbous portion造句挺难的