Mainliner
n. 主干线列车
🗣️ 情景例句
A grandfather clock would look great in the den.
休息室里放一座落地钟会很漂亮的。
The water that bears the boat is the same that swallows it up.
水能载舟，也能覆舟。
Look at the ice! Be careful! It's thin.
瞧那冰！当心！冰很薄。