你不可能听到门铃声——门铃电池上周就坏了。
You couldn't have heard the doorbell — the battery has been dead since last week.
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couldn't英 /ˈkʊdnt/|美 /ˈkʊdnt/
have英 /əv/|美 /əv/
heard英 /hɜːd/|美 /hərd/
解释
couldn't have heard 表示对过去感知的否定推测——门铃电池损坏是听不到声响的直接证据。
You couldn't have heard the doorbell — the battery has been dead since last week.
couldn't have heard 表示对过去感知的否定推测——门铃电池损坏是听不到声响的直接证据。