- 重点词汇
- 秒钟
second clock
- 知道
know; tell; see; ken; be aware of; realize; understand; discern; be conscious of; let into; wise up; put wise to; aware; conscious; cognizant; knowledge; awareness; cognizance
- 如何
how
- 克服
overcome; conquer; beat; vanquish; surmount; get over; get round; around; round; conquest
- 问题
question; problem; issue; matter; subject; trouble; point; query; conundrum; woe; rub; snag; shauri; Q; problematic; questionable; problematical; debatable