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n. [古生] (滅絕于冰川期的)劍齒虎
??? 情景例句
In this company you must toe the line if your want to keep your job.
在這個公司里，你必須循規蹈矩才能保住飯碗。
This nation is noted for its advanced technology.
這個國家以先進科技聞名。
No, she's much younger than I am. She only started here this term.
對，她年紀比我小得多。她是這個學期才進校學習的。