beam column ; bearing wood
我父亲死后，吉姆成了真正的顶梁柱。
When my father died, Jim was a real support.
《牛津词典》
我父亲是社区的顶梁柱。
My father is a pillar of the community.
《柯林斯英汉双解大词典》
那希腊的顶梁柱——旅游业呢？
What about tourism, Greece's mainstay?
youdao
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