1. 第二艘航母
China's second aircraft carrier
請看例句：
13日上午，我國第二艘航母離開大連造船廠碼頭，開始海上試驗。
China's second aircraft carrier set out from a dock of Dalian Shipyard, Liaoning province, for sea trials Sunday morning.
[相關詞彙]
國產航母 domestically designed aircraft carrier
航母飛行員進行訓練 carrier-borne aircraft pilots training
航母戰鬥群 aircraft carrier strike group
海上空軍基地 seagoing airbase
2. 緊急迫降
emergency landing
請看例句：
14日，四川航空一架客機因駕駛艙風擋玻璃脫落緊急迫降成都。
A Sichuan Airlines plane made an emergency landing in Chengdu on Monday after its cockpit windshield blew out.
[相關詞彙]
地區性航空公司 regional airline
機械故障 mechanical failure
氧氣面罩 oxygen mask
乘客轉機 switch passengers to another aircraft
3. 民營火箭
private rocket
請看例句：
我國首家民營火箭製造商零壹空間宣布，該公司的OS-X火箭17日在我國西北某基地成功進行首次發射。
One Space Technology, China's first private rocket producer, declared the maiden launch of the company's OS-X rocket from a testing base in Northwest China a success Thursday.
[相關詞彙]
運載火箭 launch vehicle
固體發動機 solid engine
檢查氣動設計 verify aerodynamic design
新概念飛機 new-concept aircraft
4. 順風車
hitch ride
請看例句：
作為對此前女乘客遇害事件的回應，我國最大的網約車運營商滴滴出行16日表示，22點-6點期間暫停其順風車服務。對於臨近22點的訂單，出發前會對合乘雙方進行安全提示。
Didi Chuxing, China's largest ride-hailing operator, said on Wednesday that it will suspend its hitch ride service from 10 pm to 6 am as part of its response to the killing of a female passenger. Passengers and drivers will receive safety warnings for orders near 10 pm.
[搭乘網約車、計程車安全小貼士]
不乘坐"黑的"
Stay away from illegal taxi
告訴朋友你的搭車信息
Share your trip details with a friend
儘量不要拼車
Avoid car-pooling
儘量不要坐副駕駛
Sit in the backseat
不要透露個人信息
Do not share your personal information
自己在手機上導航
Navigate from your phone
5. 人口定時炸彈
demographic time bomb
請看例句：
來自美國疾病控制與預防中心的初步數據顯示，美國生育率降至數十年來最低水平，引發了"人口定時炸彈"的擔憂。
The US birth rate dropped to new low in decades, according to preliminary numbers from the Centers for Disease Control and Prevention, fueling fears of a "demographic time bomb".
[相關詞彙]
未來勞動力 future labor force
推遲生育 postpone fertility
凍卵 freeze eggs
晚婚晚育 late marriage and late childbirth