Can you unfasten the lock catch of a box?你能解开箱子的锁扣 吗 ?Do not unfasten the seatbelt before the plane stops completely.在飞机纯粹停止前,不要松开安全带.When Ted was six we decided that he needed to know how to fasten and unfasten his seat...
Can you unfasten the lock catch of a box?你能解开箱子的锁扣 吗 ?When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.特德六岁的时候，我们认为他得知道如何系上和解开安全带了。Do not unfasten the seatbelt before the plane ...
Watersports enthusiasts should consider hiring a wetsuit as well as a lifejacket.除了租救生衣，水上运动爱好者还应该考虑租一套潜水服。The resort is popular among ski enthusiasts.这个度假地深受滑雪爱好者的喜爱。Like enthusiasts in general he made no inquiries into...
重返大气层的航天器受到重力的作用。Spacecraft which are re-entering the earth's atmosphere are affected by g forces.反射器通过支架牢牢地固定在航天器的侧面。The reflector is held onto the sides of the spacecraft with a frame.科学家密切跟踪航天器的运行.Scientists are ...
We needed to do decimals to round up and round down numbers.我们得把小数四舍五入成整数。The students had a grasp of decimals, percentages and fractions.学生们掌握了小数、百分数和分数。T: Who can divide the repeating decimals into two groups? Why?师: 谁...