trunk

Compared meaning: the human body without head or limbs (noun).

比较义项：人的躯干（不包括头和四肢的身体主干部分）（名词）。

• trunk 本词

  Used mainly in formal or technical contexts such as anatomy, biology, medicine and sports science for the body minus head and limbs; sounds stiff or oddly clinical in casual conversation.

  主要用于解剖学、生物学、医学、运动科学等正式或专业语境，指身体除头和四肢外的部分；用于日常口语时显得生硬、过于专业。

  In anatomy, the human body is divided into the head, trunk, and limbs.

  在解剖学中，人体被分为头部、躯干和四肢。

• torso

  The ordinary, everyday word for a person's body minus head and limbs; natural in casual speech, fashion and describing someone's physique or a sculpture.

  日常最常用的说法，指人体除头和四肢外的部分；常见于日常口语、时装以及描述体型或雕塑的语境中。

  She admired how well the swimsuit hugged her toned torso.

  她很满意泳衣是如何贴合她紧实的躯干的。

Trunk and torso both mean the human body without head or limbs. Trunk is formal, used in anatomy and medicine, and sounds stiff casually. Torso is the everyday word for casual speech and fashion. Trunk has another meaning, like a car's boot, not compared here.

这两个词在“人体躯干”这一义项上意思相近，但trunk更正式，偏解剖学、医学、运动科学用语，torso则是日常口语中最常用的说法。这里不比较trunk的“汽车后备箱”“树干”等其他义项。