1.add to 增加;增添
例句:This latest incident will add to the pressure on the government.
最近的這次事件將會給政府增加壓力。
2.speed up 加速
例句:Action had been taken to speed up the release of cheques.
已經采取行動加速支票的發(fā)放。
3.promise to 承諾
例句:I'm hoping you'll keep your promise to come for a long visit.
我希望你遵守諾言來這兒多呆幾天。
4.expose to 暴露
例句:By bathing in unclean water, they expose themselves to contamination.
在不干凈的水中洗澡,他們可能會受到感染。