1·My lettuces have gone to seed.
我种的莴苣已结子。
—— 《新英汉大辞典》
2·When it came time to pluck those first spring lettuces, soft, sweet and delicate like a baby's satiny cheek, I was distraught.
当是采拔第一批春莴苣的时候，看到它们柔软、香甜且细腻的像婴儿光滑的脸颊一样，我悲痛欲绝。
3·Ultraviolet LEDs could provide a way to replace and enhance this part of the electromagnetic spectrum to produce darker, more colorful lettuces.
紫外线发光二极管则可以提供一种方式来提高电磁频谱的一部分，从而生产出颜色更深、更多姿多彩的莴苣。
4·His lettuces have gone to seed.
他种的莴苣已结籽。
5·My lettuces have bolted.
我种的莴苣已经结子了。