动 tie up，hold together，maintain，safeguard；名 thinking，thought，[数]dimension，a surname ；

[例句] 今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。 A Delta II rocket was launched from Cape Canaveral early this morning.

[例句] 戴维发誓要离开这个项目，我不得不对他表示钦佩。 I had to admire David's vow that he would leave the programme.